Common Weakness Enumeration

CWE-122

Allowed

Heap-based Buffer Overflow

Abstraction: Variant · Status: Draft

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

5392 vulnerabilities reference this CWE, most recent first.

CVE-2026-11716 (GCVE-0-2026-11716)

Vulnerability from cvelistv5 – Published: 2026-09-18 19:09 – Updated: 2026-09-22 03:55
VLAI
Title
IBM MQ for HPE NonStop is vulnerable to a denial of service attack
Summary
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code during queue manager startup due to improper validation of cluster migration data.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 00:00 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7287705 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ for HPE NonStop Affected: 8.1.0 , ≤ 8.1.0.40 (semver)
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-11610 (GCVE-0-2026-11610)

Vulnerability from cvelistv5 – Published: 2026-07-07 09:17 – Updated: 2026-07-08 21:02
VLAI
Title
389-ds-base: 389-ds-base: heap buffer overflow in sasl_io_recv() via padded sasl unbind
Summary
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). After a successful SASL bind with integrity protection (SSF > 0), an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer without a bounds check in sasl_io_recv() in sasl_io.c. This allows up to approximately 2 megabytes of attacker-controlled data to overflow the buffer, causing a denial of service (server crash). In FreeIPA and Red Hat Identity Management deployments, any domain user with a valid Kerberos ticket, any enrolled host, or any service account can trigger this vulnerability over the network after authenticating via GSSAPI. The vulnerable code path has existed since approximately 2013 (389-ds-base 1.3.2) and was not addressed by the CVE-2025-14905 fix, which patched a separate heap overflow in schema.c only.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 21:02 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:36195 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36196 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36197 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36198 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36200 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36201 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36202 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36204 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36205 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36206 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36208 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36209 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36585 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36641 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36660 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36670 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36671 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-11610 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2484414 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
389ds 389-ds-base Affected: 1.3.2 , ≤ 3.3.0 (semver)
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Red Hat Red Hat Directory Server 11.5 E4S for RHEL 8 Unaffected: 8060020260702180044.0ca98e7e , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:11.5::el8
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Red Hat Red Hat Directory Server 11.7 E4S for RHEL 8 Unaffected: 8080020260702180836.f969626e , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:11.7::el8
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Red Hat Red Hat Directory Server 11.9 for RHEL 8 Unaffected: 8100020260702145313.37ed7c03 , < * (rpm)
    cpe:/a:redhat:directory_server:11.9::el8
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Red Hat Red Hat Directory Server 12.2 E4S for RHEL 9 Unaffected: 9020020260703060155.1674d574 , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:12.2::el9
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Red Hat Red Hat Directory Server 12.4 E4S for RHEL 9 Unaffected: 9040020260703055735.1674d574 , < * (rpm)
    cpe:/a:redhat:directory_server_e4s:12.4::el9
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.2.0-8.el10_2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:3.0.6-19.el10_0 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:1.3.11.1-13.el7_9 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020260626120929.25e700aa , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
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Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020260629123121.96015a92 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
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Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 8040020260629123121.96015a92 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
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Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 8060020260626130540.824efc52 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
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Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 8060020260626130540.824efc52 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
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Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 8080020260630025241.6dbb3803 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
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Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 8080020260630025241.6dbb3803 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
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Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.8.0-8.el9_8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
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Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.2.4-19.el9_2 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
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Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Unaffected: 0:2.4.5-26.el9_4 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.4::appstream
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Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:2.6.1-22.el9_6 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
    cpe:/a:redhat:rhel_eus:9.6::crb
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Red Hat Red Hat Directory Server 13.2 Unaffected: 1783452100 , < * (rpm)
    cpe:/a:redhat:directory_server:13.2::el10
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Red Hat Red Hat Directory Server 12     cpe:/a:redhat:directory_server:12
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Red Hat Red Hat Directory Server 13     cpe:/a:redhat:directory_server:13
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Date Public
2026-07-07 09:00
Show details on NVD website

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CVE-2026-11604 (GCVE-0-2026-11604)

Vulnerability from cvelistv5 – Published: 2026-06-10 21:04 – Updated: 2026-06-11 13:27
VLAI
Summary
An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 13:26 UTC
CWE
  • CWE-131 - Incorrect calculation of buffer size
  • CWE-122 - Heap-based buffer overflow
  • CWE-787 - Out-of-bounds write
Impacted products
Vendor Product Version
OpenVPN ovpn-dco-win Affected: 2.0.0 , ≤ 2.5.8 (semver)
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Show details on NVD website

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CVE-2026-11381 (GCVE-0-2026-11381)

Vulnerability from cvelistv5 – Published: 2026-09-18 16:09 – Updated: 2026-09-19 03:56
VLAI
Title
IBM MQ for HPE NonStop is vulnerable to a denial of service issue
Summary
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 00:00 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7287706 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ for HPE NonStop Affected: 8.1.0 , ≤ 8.1.0.40 (semver)
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:*
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CVE-2026-11375 (GCVE-0-2026-11375)

Vulnerability from cvelistv5 – Published: 2026-09-18 16:09 – Updated: 2026-09-21 12:47
VLAI
Title
IBM MQ queue manager is vulnerable to remote code execution
Summary
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 03:56 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7284948 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ Affected: 9.1.0.0 , ≤ 9.1.0.37 LTS (semver)
Affected: 9.2.0.0 , ≤ 9.2.0.43 LTS (semver)
Affected: 9.3.0.0 , ≤ 9.3.0.41 LTS (semver)
Affected: 9.3.0.0 , ≤ 9.3.5.1 CD (semver)
Affected: 9.4.0.0 , ≤ 9.4.0.25 LTS (semver)
Affected: 9.4.0.0 , ≤ 9.4.5.1 CD (semver)
Affected: 10.0.0.0
    cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-10858 (GCVE-0-2026-10858)

Vulnerability from cvelistv5 – Published: 2026-09-18 16:08 – Updated: 2026-09-19 03:56
VLAI
Title
IBM MQ for HPE NonStop is vulnerable to a denial of service attack
Summary
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 00:00 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7287704 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ for HPE NonStop Affected: 8.1.0 , ≤ 8.1.0.40 (semver)
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-10849 (GCVE-0-2026-10849)

Vulnerability from cvelistv5 – Published: 2026-08-03 21:21 – Updated: 2026-08-31 23:13
VLAI
Title
Heap out-of-bounds write in Zephyr hawkBit OTA client when terminating server response body
Summary
The hawkBit device management client in subsys/mgmt/hawkbit accumulates the body of an HTTP response from the update server into a heap buffer in response_json_cb() (subsys/mgmt/hawkbit/hawkbit.c). The buffer is sized to hold the received body bytes but reserves no space for a terminating NUL. When the full response has arrived, the code writes response_data[downloaded_size] = '\0' — and whenever the accumulated body length equals the allocation, that terminator lands one byte past the end of the heap object (a heap-based out-of-bounds write, CWE-122 / CWE-787). The body length and fragmentation are taken directly from the parsed HTTP response (rsp->body_frag_start / rsp->body_frag_len) and are fully controlled by the remote hawkBit server, which chooses its own response length. The precise trigger depends on how the buffer grows, and both forms are remotely reachable. Since v4.0.0 the reallocation is sized to exactly downloaded_size + body_len, so any response body larger than the 1100-byte initial buffer makes the out-of-bounds write deterministic; such response sizes are normal for hawkBit deployment metadata. Before v4.0.0 the buffer grew by doubling and the growth check ((downloaded_size + body_len) > response_buffer_size) is false at equality, so a response body whose length is exactly the current allocation — 1100 bytes with the default initial buffer — skips the reallocation entirely and writes the terminator at response_data[1100] of an 1100-byte object. The HTTP length-mismatch check does not catch this, because the declared and received lengths genuinely agree. Either form is reachable by a malicious, compromised, or man-in-the-middle update server (TLS is optional and, when enabled, does not protect against a hostile server), with no authentication of response content and no client-side length cap protecting the write. The out-of-bounds write is a fixed single NUL byte immediately following the allocation, corrupting adjacent allocator metadata or the next allocation. The practical impact is heap corruption leading to denial of service (fault on a subsequent allocation or free), with the bounded, allocator-dependent possibility of further corruption. The fix sizes the buffer to the body length plus one and copies with memcpy, ensuring the terminator always lands within the allocation.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 19:29 UTC
CWE
Impacted products
Vendor Product Version
zephyrproject zephyr Affected: 2.4.0 , < 4.4.2 (semver)
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Show details on NVD website

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CVE-2026-10747 (GCVE-0-2026-10747)

Vulnerability from cvelistv5 – Published: 2026-09-18 15:55 – Updated: 2026-09-21 12:47
VLAI
Title
IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing
Summary
IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 03:56 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7284690 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ Appliance Affected: 9.4 LTS , ≤ 9.4.0.0 to 9.4.0.25 (custom)
Affected: 9.4 CD , ≤ 9.4.1.0 to 9.4.5.2 (custom)
Affected: 10.0.0.0 , ≤ 10.0.0.1 only (semver)
    cpe:2.3:a:ibm:mq_appliance:9.4:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_appliance:9.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_appliance:9.4.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_appliance:9.4.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_appliance:10.0.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_appliance:10.0.0.1:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-10744 (GCVE-0-2026-10744)

Vulnerability from cvelistv5 – Published: 2026-09-18 15:54 – Updated: 2026-09-19 03:56
VLAI
Title
IBM MQ for HPE NonStop is vulnerable to a issue in MQINQ request validation
Summary
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to an integer overflow in MQINQ request validation.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 00:00 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7287702 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ for HPE NonStop Affected: 8.1.0 , ≤ 8.1.0.40 (semver)
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq_for_hpe_nonstop:8.1.0.40:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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        }
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      "title": "IBM MQ for HPE NonStop is vulnerable to a issue in MQINQ request validation"
    }
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    "dateReserved": "2026-06-03T13:30:42.102Z",
    "dateUpdated": "2026-09-19T03:56:44.901Z",
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CVE-2026-10575 (GCVE-0-2026-10575)

Vulnerability from cvelistv5 – Published: 2026-09-18 15:53 – Updated: 2026-09-21 12:47
VLAI
Title
IBM MQ queue manager is vulnerable to remote code execution
Summary
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 03:56 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
References
URL Tags
https://www.ibm.com/support/pages/node/7287778 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM MQ Affected: 9.1.0.0 , ≤ 9.1.0.37 LTS (semver)
Affected: 9.2.0.0 , ≤ 9.2.0.43 LTS (semver)
Affected: 9.3.0.0 , ≤ 9.3.0.41 LTS (semver)
Affected: 9.3.0.0 , ≤ 9.3.5.1 CD (semver)
Affected: 9.4.0.0 , ≤ 9.4.0.25 LTS (semver)
Affected: 9.4.0.0 , ≤ 9.4.5.1 CD (semver)
Affected: 10.0.0.0
    cpe:2.3:a:ibm:mq:9.1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.1.0.37:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.2.0.43:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.3.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.3.0.41:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.3.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.4.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.4.0.25:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:9.4.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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Mitigation

Pre-design: Use a language or compiler that performs automatic bounds checking.

Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Strategy: Libraries or Frameworks

Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.

Mitigation
Operation

Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.

CAPEC-92: Forced Integer Overflow

This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.