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CVE-2026-18922 (GCVE-0-2026-18922)
Vulnerability from cvelistv5 – Published: 2026-09-07 14:14 – Updated: 2026-09-08 13:04
VLAI
EPSS
VEX
Title
389-ds-base: 389-ds-base: sasl plain authentication allows privilege escalation to directory manager via stale identity in cyrus sasl auxiliary property
Summary
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:04 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
18 references
Impacted products
21 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Red Hat | Red Hat Directory Server 11.7 E4S for RHEL 8 |
Unaffected:
8080020260903102346.f969626e , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:11.7::el8 |
||
| Red Hat | Red Hat Directory Server 11.9 for RHEL 8 |
Unaffected:
8100020260904171440.37ed7c03 , < *
(rpm)
cpe:/a:redhat:directory_server:11.9::el8 |
||
| Red Hat | Red Hat Directory Server 12.2 E4S for RHEL 9 |
Unaffected:
9020020260903155914.1674d574 , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:12.2::el9 |
||
| Red Hat | Red Hat Directory Server 12.4 E4S for RHEL 9 |
Unaffected:
9040020260903102623.1674d574 , < *
(rpm)
cpe:/a:redhat:directory_server_e4s:12.4::el9 |
||
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.2.0-10.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
||
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:3.0.6-21.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
||
| Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION |
Unaffected:
0:1.2.11.15-97.el6_10.1 , < *
(rpm)
cpe:/o:redhat:rhel_els:6 |
||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:1.3.11.1-15.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020260904155442.25e700aa , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
8040020260901171549.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
8040020260901171549.96015a92 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4::appstream cpe:/a:redhat:rhel_eus_long_life:8.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
8060020260901145727.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On |
Unaffected:
8060020260901145727.824efc52 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6::appstream cpe:/a:redhat:rhel_eus_long_life:8.6::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
8080020260831180218.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
8080020260831180218.6dbb3803 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8::appstream cpe:/a:redhat:rhel_tus:8.8::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.8.0-10.el9_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
||
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:2.2.4-22.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
0:2.4.5-29.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:2.6.1-24.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6::appstream cpe:/a:redhat:rhel_eus:9.6::crb |
||
| Red Hat | Red Hat Directory Server 12 |
cpe:/a:redhat:directory_server:12
|
||
| Red Hat | Red Hat Directory Server 13 |
cpe:/a:redhat:directory_server:13
|
Date Public
2026-09-07 12:33
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"time": "2026-07-30T09:58:58.000Z",
"value": "Reported to Red Hat."
},
{
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"time": "2026-09-07T12:33:00.000Z",
"value": "Made public."
}
],
"title": "389-ds-base: 389-ds-base: sasl plain authentication allows privilege escalation to directory manager via stale identity in cyrus sasl auxiliary property",
"workarounds": [
{
"lang": "en",
"value": "Administrators can restrict nsslapd-allowed-sasl-mechanisms to only the mechanisms actually required (e.g. GSSAPI, EXTERNAL, GSS-SPNEGO), excluding PLAIN. Since the exploit chain requires the first bind attempt to be a failed SASL PLAIN bind as cn=Directory Manager, removing PLAIN from the allowed mechanism list prevents that step entirely \u2014 this blocks both the originally reported variant (valid low-privileged account) and the zero-credential SASL ANONYMOUS variant, since both depend on the same initial PLAIN bind to plant the stale identity."
}
],
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"dateReserved": "2026-08-05T08:26:17.044Z",
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"source": "Red Hat CSAF VEX",
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"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
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FKIE_CVE-2026-18922
Vulnerability from fkie_nvd - Published: 2026-09-07 15:17 - Updated: 2026-09-08 14:17
Severity
Summary
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
References
Impacted products
| Vendor | Product | Version |
|---|
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"affected": [
{
"affectedData": [
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"product": "Red Hat Directory Server 11.7 E4S for RHEL 8",
"vendor": "Red Hat",
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"version": "8100020260904171440.37ed7c03",
"versionType": "rpm"
}
]
},
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"cpes": [
"cpe:/a:redhat:directory_server_e4s:12.2::el9"
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"product": "Red Hat Directory Server 12.2 E4S for RHEL 9",
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{
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"product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
"vendor": "Red Hat",
"versions": [
{
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"version": "0:3.0.6-21.el10_0",
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]
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"cpes": [
"cpe:/o:redhat:rhel_els:6"
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"product": "Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION",
"vendor": "Red Hat",
"versions": [
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"version": "0:1.2.11.15-97.el6_10.1",
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"vendor": "Red Hat",
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{
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"version": "8100020260904155442.25e700aa",
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},
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"cpes": [
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"packageName": "389-ds-base",
"product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
"vendor": "Red Hat",
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},
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},
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{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64771"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64778"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64779"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64780"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64781"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64783"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64784"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64785"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64789"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64790"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64791"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64792"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64793"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64804"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2026:64811"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/security/cve/CVE-2026-18922"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Received",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
GHSA-PR87-24G5-HPHV
Vulnerability from github – Published: 2026-09-07 15:33 – Updated: 2026-09-08 09:35
VLAI
Details
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
Severity
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2026-18922"
],
"database_specific": {
"cwe_ids": [
"CWE-287"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-07T15:17:31Z",
"severity": "CRITICAL"
},
"details": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"id": "GHSA-pr87-24g5-hphv",
"modified": "2026-09-08T09:35:37Z",
"published": "2026-09-07T15:33:54Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-18922"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64811"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64804"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64793"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64792"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64791"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64790"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64789"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64785"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64784"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64783"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64781"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64780"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64779"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64778"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:64771"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
RHSA-2026:64771
Vulnerability from csaf_redhat - Published: 2026-09-08 02:07 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for 389-ds-base is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-7.9.z] (JIRA:RHEL-248758)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
24 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
24 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
24 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Critical
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
24 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: 7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
23 references
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"text": "389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\nBug Fix(es) and Enhancement(s):\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-7.9.z] (JIRA:RHEL-248758)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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"title": "Vulnerability summary"
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"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"title": "Statement"
},
{
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"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
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"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property"
},
{
"acknowledgments": [
{
"names": [
"Gia Bui (yabeow)"
],
"organization": "Calif.io"
}
],
"cve": "CVE-2026-76560",
"cwe": {
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"name": "Incorrect Authorization"
},
"discovery_date": "2026-08-15T16:11:15+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2519521"
}
],
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{
"category": "description",
"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.ppc64",
"7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.s390x",
"7Server-optional-ELS:389-ds-base-0:1.3.11.1-15.el7_9.src",
"7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64",
"7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.ppc64le",
"7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.s390x",
"7Server-optional-ELS:389-ds-base-debuginfo-0:1.3.11.1-15.el7_9.x86_64",
"7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64",
"7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.ppc64le",
"7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.s390x",
"7Server-optional-ELS:389-ds-base-devel-0:1.3.11.1-15.el7_9.x86_64",
"7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.ppc64",
"7Server-optional-ELS:389-ds-base-libs-0:1.3.11.1-15.el7_9.s390x",
"7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64",
"7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.ppc64le",
"7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.s390x",
"7Server-optional-ELS:389-ds-base-snmp-0:1.3.11.1-15.el7_9.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
}
]
}
RHSA-2026:64776
Vulnerability from csaf_redhat - Published: 2026-09-08 03:06 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: 389-ds:1.4 security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() (JIRA:RHEL-244462)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation (JIRA:RHEL-248761)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
34 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
34 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
34 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.E4S:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Critical
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
34 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.ppc64le::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.E4S:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.src::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-debugsource-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-devel-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-legacy-tools-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-libs-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-8.8.0.Z.TUS:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
23 references
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration. \n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() (JIRA:RHEL-244462)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation (JIRA:RHEL-248761)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2026:64776",
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#critical",
"url": "https://access.redhat.com/security/updates/classification/#critical"
},
{
"category": "external",
"summary": "2509186",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509186"
},
{
"category": "external",
"summary": "2509696",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509696"
},
{
"category": "external",
"summary": "2511388",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
},
{
"category": "external",
"summary": "2519521",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519521"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_64776.json"
}
],
"title": "Red Hat Security Advisory: 389-ds:1.4 security, bug fix, and enhancement update",
"tracking": {
"current_release_date": "2026-09-08T08:20:23+00:00",
"generator": {
"date": "2026-09-08T08:20:23+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "5.3.16"
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"product_reference": "python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4",
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},
"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Arthur Chan",
"David Korczynski",
"Adam Korczynski"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18355",
"cwe": {
"id": "CWE-191",
"name": "Integer Underflow (Wrap or Wraparound)"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509186"
}
],
"notes": [
{
"category": "description",
"text": "A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF \u003e 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18355"
},
{
"category": "external",
"summary": "RHBZ#2509186",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509186"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18355",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18355"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355"
}
],
"release_date": "2026-09-07T09:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T03:06:12+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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{
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"attackVector": "NETWORK",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
"Arthur Chan"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18453",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509696"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18453"
},
{
"category": "external",
"summary": "RHBZ#2509696",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509696"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18453",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18453"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453"
}
],
"release_date": "2026-09-07T09:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T03:06:12+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
},
{
"acknowledgments": [
{
"names": [
"Chris Jarrett-Davies"
],
"organization": "OpenAI Security Research"
}
],
"cve": "CVE-2026-18922",
"cwe": {
"id": "CWE-287",
"name": "Improper Authentication"
},
"discovery_date": "2026-07-30T09:58:58+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2511388"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18922"
},
{
"category": "external",
"summary": "RHBZ#2511388",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18922",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18922"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
}
],
"release_date": "2026-09-07T12:33:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T03:06:12+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property"
},
{
"acknowledgments": [
{
"names": [
"Gia Bui (yabeow)"
],
"organization": "Calif.io"
}
],
"cve": "CVE-2026-76560",
"cwe": {
"id": "CWE-863",
"name": "Incorrect Authorization"
},
"discovery_date": "2026-08-15T16:11:15+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2519521"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-76560"
},
{
"category": "external",
"summary": "RHBZ#2519521",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519521"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-76560",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76560"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560"
}
],
"release_date": "2026-09-07T12:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T03:06:12+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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},
"url": "https://access.redhat.com/errata/RHSA-2026:64776"
},
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"AppStream-8.8.0.Z.TUS:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4",
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"products": [
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"AppStream-8.8.0.Z.TUS:389-ds-base-snmp-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4",
"AppStream-8.8.0.Z.TUS:389-ds-base-snmp-debuginfo-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.x86_64::389-ds:1.4",
"AppStream-8.8.0.Z.TUS:python3-lib389-0:1.4.3.35-21.module+el8.8.0+24788+bed99f90.noarch::389-ds:1.4"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
}
]
}
RHSA-2026:64778
Vulnerability from csaf_redhat - Published: 2026-09-08 03:08 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() (JIRA:RHEL-244464)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation (JIRA:RHEL-248763)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:python3-lib389-0:2.2.4-22.el9_2.noarch | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:python3-lib389-0:2.2.4-22.el9_2.noarch | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:python3-lib389-0:2.2.4-22.el9_2.noarch | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Critical
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-debugsource-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.2.0.Z.E4S:python3-lib389-0:2.2.4-22.el9_2.noarch | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
23 references
{
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"text": "An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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"text": "389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() (JIRA:RHEL-244464)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation (JIRA:RHEL-248763)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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"text": "2509186"
}
],
"notes": [
{
"category": "description",
"text": "A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF \u003e 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355"
}
],
"release_date": "2026-09-07T09:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2026-09-08T03:08:07+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
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],
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"name": "NULL Pointer Dereference"
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"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
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"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
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"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
},
{
"acknowledgments": [
{
"names": [
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"text": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
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"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property"
},
{
"acknowledgments": [
{
"names": [
"Gia Bui (yabeow)"
],
"organization": "Calif.io"
}
],
"cve": "CVE-2026-76560",
"cwe": {
"id": "CWE-863",
"name": "Incorrect Authorization"
},
"discovery_date": "2026-08-15T16:11:15+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2519521"
}
],
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{
"category": "description",
"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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}
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"release_date": "2026-09-07T12:00:00+00:00",
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"date": "2026-09-08T03:08:07+00:00",
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"AppStream-9.2.0.Z.E4S:389-ds-base-libs-0:2.2.4-22.el9_2.x86_64",
"AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.aarch64",
"AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.ppc64le",
"AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.s390x",
"AppStream-9.2.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.2.4-22.el9_2.x86_64",
"AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.aarch64",
"AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.ppc64le",
"AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.s390x",
"AppStream-9.2.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.2.4-22.el9_2.x86_64",
"AppStream-9.2.0.Z.E4S:python3-lib389-0:2.2.4-22.el9_2.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
}
]
}
RHSA-2026:64779
Vulnerability from csaf_redhat - Published: 2026-09-08 03:02 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: redhat-ds:12 security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for the redhat-ds:12 module is now available for Red Hat Directory Server 12.2 E4S for RHEL 9.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol (LDAP) server, as well as command-line utilities and Web UI packages for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds-base: Command injection via unescaped LDAP DN in Cockpit 389 Console LDAP editor (CVE-2026-19843)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [dirsrv-12.2.z] (JIRA:DIRSRV-868)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [dirsrv-12.2.z] (JIRA:DIRSRV-900)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debugsource-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-devel-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:cockpit-389-ds-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:python3-lib389-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debugsource-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-devel-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:cockpit-389-ds-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:python3-lib389-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debugsource-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-devel-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:cockpit-389-ds-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:python3-lib389-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Critical
A flaw was found in 389-ds-base. The Cockpit 389 Console's LDAP editor constructs an ldapsearch command by embedding an LDAP entry's distinguished name (DN) into a shell command string without proper escaping. An LDAP user with delegated privileges to create or rename directory entries could craft a malicious DN containing shell metacharacters. When a Cockpit administrator subsequently views the entry in the 389 Console, the embedded shell command executes with root privileges on the directory server host.
8.4 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debugsource-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-devel-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:cockpit-389-ds-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:python3-lib389-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-debugsource-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-devel-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-libs-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:cockpit-389-ds-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:python3-lib389-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
28 references
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for the redhat-ds:12 module is now available for Red Hat Directory Server 12.2 E4S for RHEL 9.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
{
"category": "general",
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"organization": "Anthropic"
}
],
"cve": "CVE-2026-18355",
"cwe": {
"id": "CWE-191",
"name": "Integer Underflow (Wrap or Wraparound)"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509186"
}
],
"notes": [
{
"category": "description",
"text": "A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF \u003e 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
"category": "external",
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}
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{
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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{
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"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
"Arthur Chan"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18453",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509696"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453"
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
},
{
"acknowledgments": [
{
"names": [
"Chris Jarrett-Davies"
],
"organization": "OpenAI Security Research"
}
],
"cve": "CVE-2026-18922",
"cwe": {
"id": "CWE-287",
"name": "Improper Authentication"
},
"discovery_date": "2026-07-30T09:58:58+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2511388"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18922"
},
{
"category": "external",
"summary": "RHBZ#2511388",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2026-18922"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
}
],
"release_date": "2026-09-07T12:33:00+00:00",
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{
"category": "vendor_fix",
"date": "2026-09-08T03:02:57+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
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"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property"
},
{
"acknowledgments": [
{
"names": [
"Andrew Rukin"
],
"organization": "Arenadata"
}
],
"cve": "CVE-2026-19843",
"cwe": {
"id": "CWE-78",
"name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
},
"discovery_date": "2026-08-06T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2515965"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389-ds-base. The Cockpit 389 Console\u0027s LDAP editor constructs an ldapsearch command by embedding an LDAP entry\u0027s distinguished name (DN) into a shell command string without proper escaping. An LDAP user with delegated privileges to create or rename directory entries could craft a malicious DN containing shell metacharacters. When a Cockpit administrator subsequently views the entry in the 389 Console, the embedded shell command executes with root privileges on the directory server host.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: Command injection via unescaped LDAP DN in Cockpit 389 Console LDAP editor",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Important: This flaw allows an LDAP user holding delegated create/rename privileges over some subtree to achieve arbitrary command execution with root privileges on the host. The Cockpit 389 Console\u0027s LDAP editor embeds a raw LDAP entry DN into a double-quoted shell command string executed via Cockpit\u0027s privileged (superuser) channel. LDAP DN syntax does not require escaping of shell metacharacters such as $, (, and ), so a DN crafted with command substitution executes on the host when a more-privileged Cockpit operator subsequently views that entry. This compromises confidentiality, integrity, and availability of the host. Exploitation requires both a delegated LDAP write privilege and a privileged operator viewing the crafted entry; neither precondition alone is sufficient. This issue only affects Red Hat Directory Server deployments that include the Cockpit 389 Console; plain Red Hat Enterprise Linux does not ship this subpackage and is not affected.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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},
{
"acknowledgments": [
{
"names": [
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"organization": "Calif.io"
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{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:389-ds-base-snmp-debuginfo-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.x86_64::redhat-ds:12",
"BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:cockpit-389-ds-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12",
"BaseOS-9.2.0.Z.E4S-DirSrv-12.2-E4S:python3-lib389-0:2.2.7-18.module+el9dsrv+24814+6d9b6eb5.noarch::redhat-ds:12"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
}
]
}
RHSA-2026:64780
Vulnerability from csaf_redhat - Published: 2026-09-08 03:03 - Updated: 2026-09-08 08:22Summary
Red Hat Security Advisory: redhat-ds:12 security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for the redhat-ds:12 module is now available for Red Hat Directory Server 12.4 E4S for RHEL 9.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol (LDAP) server, as well as command-line utilities and Web UI packages for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds-base: Command injection via unescaped LDAP DN in Cockpit 389 Console LDAP editor (CVE-2026-19843)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [dirsrv-12.4.z] (JIRA:DIRSRV-869)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [dirsrv-12.4.z] (JIRA:DIRSRV-901)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debugsource-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-devel-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:cockpit-389-ds-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:python3-lib389-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debugsource-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-devel-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:cockpit-389-ds-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:python3-lib389-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debugsource-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-devel-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:cockpit-389-ds-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:python3-lib389-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Critical
A flaw was found in 389-ds-base. The Cockpit 389 Console's LDAP editor constructs an ldapsearch command by embedding an LDAP entry's distinguished name (DN) into a shell command string without proper escaping. An LDAP user with delegated privileges to create or rename directory entries could craft a malicious DN containing shell metacharacters. When a Cockpit administrator subsequently views the entry in the 389 Console, the embedded shell command executes with root privileges on the directory server host.
8.4 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debugsource-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-devel-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:cockpit-389-ds-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:python3-lib389-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Important
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
11 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.src::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-debugsource-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-devel-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-libs-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:389-ds-base-snmp-debuginfo-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.x86_64::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:cockpit-389-ds-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-9.4.0.Z.E4S-DirSrv-12.4-E4S:python3-lib389-0:2.4.5-26.module+el9dsrv+24813+95aeb06d.noarch::redhat-ds:12 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
28 references
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Critical"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for the redhat-ds:12 module is now available for Red Hat Directory Server 12.4 E4S for RHEL 9.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
{
"category": "general",
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"category": "description",
"text": "A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF \u003e 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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{
"category": "external",
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}
],
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{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
"Arthur Chan"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18453",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509696"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453"
}
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
},
{
"acknowledgments": [
{
"names": [
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}
],
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"name": "Improper Authentication"
},
"discovery_date": "2026-07-30T09:58:58+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2511388"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
{
"acknowledgments": [
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"names": [
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},
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{
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"text": "A flaw was found in 389-ds-base. The Cockpit 389 Console\u0027s LDAP editor constructs an ldapsearch command by embedding an LDAP entry\u0027s distinguished name (DN) into a shell command string without proper escaping. An LDAP user with delegated privileges to create or rename directory entries could craft a malicious DN containing shell metacharacters. When a Cockpit administrator subsequently views the entry in the 389 Console, the embedded shell command executes with root privileges on the directory server host.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: Command injection via unescaped LDAP DN in Cockpit 389 Console LDAP editor",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Important: This flaw allows an LDAP user holding delegated create/rename privileges over some subtree to achieve arbitrary command execution with root privileges on the host. The Cockpit 389 Console\u0027s LDAP editor embeds a raw LDAP entry DN into a double-quoted shell command string executed via Cockpit\u0027s privileged (superuser) channel. LDAP DN syntax does not require escaping of shell metacharacters such as $, (, and ), so a DN crafted with command substitution executes on the host when a more-privileged Cockpit operator subsequently views that entry. This compromises confidentiality, integrity, and availability of the host. Exploitation requires both a delegated LDAP write privilege and a privileged operator viewing the crafted entry; neither precondition alone is sufficient. This issue only affects Red Hat Directory Server deployments that include the Cockpit 389 Console; plain Red Hat Enterprise Linux does not ship this subpackage and is not affected.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"title": "389-ds-base: 389-ds-base: Command injection via unescaped LDAP DN in Cockpit 389 Console LDAP editor"
},
{
"acknowledgments": [
{
"names": [
"Gia Bui (yabeow)"
],
"organization": "Calif.io"
}
],
"cve": "CVE-2026-76560",
"cwe": {
"id": "CWE-863",
"name": "Incorrect Authorization"
},
"discovery_date": "2026-08-15T16:11:15+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2519521"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560"
}
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"release_date": "2026-09-07T12:00:00+00:00",
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"confidentialityImpact": "NONE",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
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}
RHSA-2026:64781
Vulnerability from csaf_redhat - Published: 2026-09-08 03:08 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.4.z] (JIRA:RHEL-244465)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.4.z] (JIRA:RHEL-248764)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.src | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:python3-lib389-0:2.4.5-29.el9_4.noarch | — |
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Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.src | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:python3-lib389-0:2.4.5-29.el9_4.noarch | — |
Vendor Fix
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Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.aarch64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.ppc64le | — |
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Workaround
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.src | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:python3-lib389-0:2.4.5-29.el9_4.noarch | — |
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Threats
Impact
Critical
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.src | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-debugsource-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-libs-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.aarch64 | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.ppc64le | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.s390x | — |
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| Unresolved product id: AppStream-9.4.0.Z.E4S:389-ds-base-snmp-debuginfo-0:2.4.5-29.el9_4.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.4.0.Z.E4S:python3-lib389-0:2.4.5-29.el9_4.noarch | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
23 references
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"text": "An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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"text": "389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.4.z] (JIRA:RHEL-244465)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.4.z] (JIRA:RHEL-248764)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
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"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Ada Logics"
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{
"names": [
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],
"organization": "Anthropic"
}
],
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"name": "NULL Pointer Dereference"
},
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509696"
}
],
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{
"category": "description",
"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453"
}
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"release_date": "2026-09-07T09:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2026-09-08T03:08:27+00:00",
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"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
},
{
"acknowledgments": [
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"names": [
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],
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"name": "Improper Authentication"
},
"discovery_date": "2026-07-30T09:58:58+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2511388"
}
],
"notes": [
{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
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{
"category": "external",
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},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
}
],
"release_date": "2026-09-07T12:33:00+00:00",
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{
"category": "vendor_fix",
"date": "2026-09-08T03:08:27+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
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{
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"names": [
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"name": "Incorrect Authorization"
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"ids": [
{
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"text": "2519521"
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{
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"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-76560"
},
{
"category": "external",
"summary": "RHBZ#2519521",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519521"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-76560",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76560"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560"
}
],
"release_date": "2026-09-07T12:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T03:08:27+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:64781"
},
{
"category": "workaround",
"details": "Until a fix is available, review all ACIs using userattr=\"...#SELFDN\" bind rules and confirm the target attribute cannot be set to an empty value, or add an explicit authmethod restriction to the ACI to prevent anonymous binds from satisfying the check. Where anonymous binds are not required, disabling anonymous access to the directory removes the attack surface entirely.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
}
]
}
RHSA-2026:64783
Vulnerability from csaf_redhat - Published: 2026-09-08 04:14 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.6.z] (JIRA:RHEL-244466)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.6.z] (JIRA:RHEL-248765)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:python3-lib389-0:2.6.1-24.el9_6.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:python3-lib389-0:2.6.1-24.el9_6.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:python3-lib389-0:2.6.1-24.el9_6.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
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| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Critical
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.s390x | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.src | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-0:2.6.1-24.el9_6.x86_64 | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.aarch64 | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.ppc64le | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.s390x | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-0:2.6.1-24.el9_6.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
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fix
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.aarch64 | — |
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fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.ppc64le | — |
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fix
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:python3-lib389-0:2.6.1-24.el9_6.noarch | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
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|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
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|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
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|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-debugsource-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-devel-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
23 references
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"text": "An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
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{
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"text": "389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.6.z] (JIRA:RHEL-244466)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.6.z] (JIRA:RHEL-248765)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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{
"acknowledgments": [
{
"names": [
"Arthur Chan",
"David Korczynski",
"Adam Korczynski"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18355",
"cwe": {
"id": "CWE-191",
"name": "Integer Underflow (Wrap or Wraparound)"
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"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
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"system_name": "Red Hat Bugzilla ID",
"text": "2509186"
}
],
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{
"category": "description",
"text": "A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF \u003e 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18355"
},
{
"category": "external",
"summary": "RHBZ#2509186",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509186"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18355",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18355"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355"
}
],
"release_date": "2026-09-07T09:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T04:14:17+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/errata/RHSA-2026:64783"
},
{
"category": "workaround",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
"Arthur Chan"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18453",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509696"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18453"
},
{
"category": "external",
"summary": "RHBZ#2509696",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509696"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18453",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18453"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18453"
}
],
"release_date": "2026-09-07T09:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T04:14:17+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
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"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
},
{
"acknowledgments": [
{
"names": [
"Chris Jarrett-Davies"
],
"organization": "OpenAI Security Research"
}
],
"cve": "CVE-2026-18922",
"cwe": {
"id": "CWE-287",
"name": "Improper Authentication"
},
"discovery_date": "2026-07-30T09:58:58+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2511388"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18922"
},
{
"category": "external",
"summary": "RHBZ#2511388",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18922",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18922"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
}
],
"release_date": "2026-09-07T12:33:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T04:14:17+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:64783"
},
{
"category": "workaround",
"details": "Administrators can restrict nsslapd-allowed-sasl-mechanisms to only the mechanisms actually required (e.g. GSSAPI, EXTERNAL, GSS-SPNEGO), excluding PLAIN. Since the exploit chain requires the first bind attempt to be a failed SASL PLAIN bind as cn=Directory Manager, removing PLAIN from the allowed mechanism list prevents that step entirely \u2014 this blocks both the originally reported variant (valid low-privileged account) and the zero-credential SASL ANONYMOUS variant, since both depend on the same initial PLAIN bind to plant the stale identity.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property"
},
{
"acknowledgments": [
{
"names": [
"Gia Bui (yabeow)"
],
"organization": "Calif.io"
}
],
"cve": "CVE-2026-76560",
"cwe": {
"id": "CWE-863",
"name": "Incorrect Authorization"
},
"discovery_date": "2026-08-15T16:11:15+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2519521"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-76560"
},
{
"category": "external",
"summary": "RHBZ#2519521",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519521"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-76560",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76560"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560"
}
],
"release_date": "2026-09-07T12:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T04:14:17+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/errata/RHSA-2026:64783"
},
{
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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"CRB-9.6.0.Z.EUS:389-ds-base-libs-debuginfo-0:2.6.1-24.el9_6.x86_64",
"CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.aarch64",
"CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.ppc64le",
"CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.s390x",
"CRB-9.6.0.Z.EUS:389-ds-base-snmp-debuginfo-0:2.6.1-24.el9_6.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
}
]
}
RHSA-2026:64784
Vulnerability from csaf_redhat - Published: 2026-09-08 06:23 - Updated: 2026-09-08 08:20Summary
Red Hat Security Advisory: 389-ds-base security, bug fix, and enhancement update
Severity
Critical
Notes
Topic: An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.
Security Fix(es):
* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)
* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)
* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)
* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)
* 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)
Bug Fix(es) and Enhancement(s):
* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.8.z] (JIRA:RHEL-244467)
* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.8.z] (JIRA:RHEL-248766)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an encrypted_buffer_count below the already-consumed encrypted_buffer_offset, causing an unsigned subtraction underflow in sasl_io_read_packet(). PR_Recv is then requested to read approximately 4 GiB into a 1024-byte heap buffer, resulting in a heap buffer overflow with attacker-controlled content. After a successful SASL bind with integrity protection (SSF > 0), a remote authenticated attacker can cause a denial of service or potentially achieve remote code execution. This flaw is distinct from CVE-2026-11774, whose fix only guards against upper-bound overflow.
7.5 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.src | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.aarch64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.ppc64le | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:python3-lib389-0:2.8.0-10.el9_8.noarch | — |
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fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.aarch64 | — |
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fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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fix
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Threats
Impact
Important
A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.
7.5 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.src | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:python3-lib389-0:2.8.0-10.el9_8.noarch | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.s390x | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.x86_64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
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| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.
9.8 (Critical)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:python3-lib389-0:2.8.0-10.el9_8.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Critical
A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.
7.5 (High)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:python3-lib389-0:2.8.0-10.el9_8.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.
6.5 (Medium)
Affected products
Fixed
50 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.8.0.Z.MAIN.EUS:python3-lib389-0:2.8.0-10.el9_8.noarch | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-debugsource-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-devel-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-libs-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: CRB-9.8.0.Z.MAIN.EUS:389-ds-base-snmp-debuginfo-0:2.8.0-10.el9_8.x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
References
28 references
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"text": "An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
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{
"category": "general",
"text": "389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n\n* 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n\n* 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n\n* 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n\n* 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)\n\nBug Fix(es) and Enhancement(s):\n\n* lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [rhel-9.8.z] (JIRA:RHEL-244467)\n\n* fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [rhel-9.8.z] (JIRA:RHEL-248766)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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"David Korczynski",
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"title": "Vulnerability description"
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"text": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()",
"title": "Vulnerability summary"
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{
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"text": "Red Hat rates this issue as Important. After a successful SASL bind with integrity protection (SSF \u003e 0), an authenticated attacker can send a SASL wrapped record whose length prefix is unusually small. The SASL I/O layer validates that length only against an upper size limit, so when it computes how many more bytes to read it can underflow and write past the end of its receive buffer with attacker-controlled data.\nThis flaw is independent of CVE-2026-11774, which only rejected near-maximum length values; that fix does not cover the lower-bound case. Deployments that do not negotiate a SASL security layer after bind are not exposed on this path.",
"title": "Statement"
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-18355"
},
{
"category": "external",
"summary": "RHBZ#2509186",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2509186"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-18355",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18355"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18355"
}
],
"release_date": "2026-09-07T09:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T06:23:22+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"details": "Important"
}
],
"title": "389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet()"
},
{
"acknowledgments": [
{
"names": [
"Arthur Chan"
],
"organization": "Ada Logics"
},
{
"names": [
"Team"
],
"organization": "Anthropic"
}
],
"cve": "CVE-2026-18453",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2026-07-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2509696"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue is rated Important because a remote attacker with network access to the LDAP service can crash the directory server process without authenticating, under default configuration. Successful exploitation completely stops directory lookups and authentication that depend on this service until the process is restarted, and the attack is easy to repeat. There is no impact on confidentiality or integrity: the fault is a crash only and does not leak or modify directory data. Environments that disable anonymous LDAP access remove the unauthenticated path, but any authenticated client that can send search requests can still trigger the same crash. Deployments that expose LDAP only to trusted networks reduce the practical attack surface, but do not change the underlying impact when a client can reach the service.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
{
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{
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{
"category": "external",
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}
],
"release_date": "2026-09-07T09:00:00+00:00",
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{
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"date": "2026-09-08T06:23:22+00:00",
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"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"title": "389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search"
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{
"names": [
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{
"category": "description",
"text": "A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account\u0027s own successful bind instead of an anonymous one is also possible.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated Critical because it allows a remote, unauthenticated attacker to gain full Directory Manager privileges over an LDAPS connection \u2014 with no valid account, no user interaction, and no non-default configuration required. Flaw is exploitable by a remote unauthenticated attacker that fully compromises confidentiality, integrity, and availability without requiring user interaction.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"url": "https://access.redhat.com/security/cve/CVE-2026-18922"
},
{
"category": "external",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511388"
},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2026-18922"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18922"
}
],
"release_date": "2026-09-07T12:33:00+00:00",
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{
"category": "vendor_fix",
"date": "2026-09-08T06:23:22+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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{
"category": "impact",
"details": "Critical"
}
],
"title": "389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property"
},
{
"acknowledgments": [
{
"names": [
"Gia Bui (yabeow)"
],
"organization": "Calif.io"
}
],
"cve": "CVE-2026-76560",
"cwe": {
"id": "CWE-863",
"name": "Incorrect Authorization"
},
"discovery_date": "2026-08-15T16:11:15+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2519521"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client\u0027s empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw affects any 389 Directory Server (or Red Hat Directory Server) deployment that defines an ACI using a userattr=\"attribute#SELFDN\" or userattr=\"attribute#USERDN\" bind rule on an attribute that is permitted to hold an explicit empty value. Red Hat Directory Server does not ship such an ACI by default; real-world impact depends on whether a specific deployment or consuming application defines an ACI of this shape.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-76560"
},
{
"category": "external",
"summary": "RHBZ#2519521",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519521"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-76560",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76560"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76560"
}
],
"release_date": "2026-09-07T12:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T06:23:22+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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{
"category": "impact",
"details": "Important"
}
],
"title": "389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN"
},
{
"cve": "CVE-2026-78701",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2026-08-25T04:44:36.218000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2523232"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-78701"
},
{
"category": "external",
"summary": "RHBZ#2523232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523232"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-78701",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78701"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-78701",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78701"
}
],
"release_date": "2026-08-24T12:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-08T06:23:22+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS"
}
]
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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