Red Hat Enterprise Linux

Description

Red Hat Enterprise Linux (RHEL) is a commercial open-source Linux distribution developed by Red Hat for the commercial market.

Product names

enterprise_linux, Red Hat Enterprise Linux 6

CVE-2023-6478 (GCVE-0-2023-6478)
Vulnerability from
Published
2023-12-13 06:27
Modified
2025-11-20 07:07
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
References
https://access.redhat.com/errata/RHSA-2023:7886 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0006 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0009 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0010 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0014 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0015 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0016 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0017 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0018 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0020 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2169 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2170 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2995 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2996 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:12751 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-6478 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2253298 issue-tracking, x_refsource_REDHAT
https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632
https://lists.x.org/archives/xorg-announce/2023-December/003435.html
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION Unaffected: 0:1.1.0-25.el6_10.13   < *
    cpe:/o:redhat:rhel_els:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 0:1.8.0-28.el7_9   < *
    cpe:/o:redhat:enterprise_linux:7::client
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
    cpe:/o:redhat:enterprise_linux:7::computenode
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 0:1.20.4-25.el7_9   < *
    cpe:/o:redhat:enterprise_linux:7::client
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
    cpe:/o:redhat:enterprise_linux:7::computenode
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.13.1-2.el8_9.4   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.20.11-22.el8   < *
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:21.1.3-15.el8   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:1.12.0-6.el8_6.6   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:1.12.0-15.el8_8.4   < *
    cpe:/a:redhat:rhel_eus:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.13.1-3.el9_3.3   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.20.11-24.el9   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:22.1.9-5.el9   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:1.11.0-22.el9_0.5   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:1.12.0-14.el9_2.2   < *
    cpe:/a:redhat:rhel_eus:9.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website


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CVE-2023-6377 (GCVE-0-2023-6377)
Vulnerability from
Published
2023-12-13 06:27
Modified
2025-11-20 07:07
CWE
Summary
A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.
References
https://access.redhat.com/errata/RHSA-2023:7886 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0006 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0009 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0010 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0014 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0015 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0016 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0017 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0018 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0020 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2169 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2170 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2995 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2996 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:13998 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-6377 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2253291 issue-tracking, x_refsource_REDHAT
https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d174b4f93810afd
https://lists.x.org/archives/xorg-announce/2023-December/003435.html
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION Unaffected: 0:1.1.0-25.el6_10.14   < *
    cpe:/o:redhat:rhel_els:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 0:1.8.0-28.el7_9   < *
    cpe:/o:redhat:enterprise_linux:7::client
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
    cpe:/o:redhat:enterprise_linux:7::computenode
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 0:1.20.4-25.el7_9   < *
    cpe:/o:redhat:enterprise_linux:7::client
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
    cpe:/o:redhat:enterprise_linux:7::computenode
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.13.1-2.el8_9.4   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.20.11-22.el8   < *
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:21.1.3-15.el8   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:1.12.0-6.el8_6.6   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:1.12.0-15.el8_8.4   < *
    cpe:/a:redhat:rhel_eus:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.13.1-3.el9_3.3   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.20.11-24.el9   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:22.1.9-5.el9   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:1.11.0-22.el9_0.5   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:1.12.0-14.el9_2.2   < *
    cpe:/a:redhat:rhel_eus:9.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website


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CVE-2023-6377 (GCVE-0-2023-6377)
Vulnerability from
Published
2023-12-13 06:27
Modified
2025-11-20 07:07
CWE
Summary
A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.
References
https://access.redhat.com/errata/RHSA-2023:7886 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0006 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0009 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0010 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0014 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0015 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0016 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0017 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0018 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0020 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2169 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2170 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2995 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2996 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:13998 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-6377 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2253291 issue-tracking, x_refsource_REDHAT
https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d174b4f93810afd
https://lists.x.org/archives/xorg-announce/2023-December/003435.html
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION Unaffected: 0:1.1.0-25.el6_10.14   < *
    cpe:/o:redhat:rhel_els:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 0:1.8.0-28.el7_9   < *
    cpe:/o:redhat:enterprise_linux:7::client
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
    cpe:/o:redhat:enterprise_linux:7::computenode
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 0:1.20.4-25.el7_9   < *
    cpe:/o:redhat:enterprise_linux:7::client
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
    cpe:/o:redhat:enterprise_linux:7::computenode
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.13.1-2.el8_9.4   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.20.11-22.el8   < *
    cpe:/a:redhat:enterprise_linux:8::crb
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:21.1.3-15.el8   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 0:1.9.0-15.el8_2.6   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 0:1.11.0-8.el8_4.5   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:1.12.0-6.el8_6.6   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:1.12.0-15.el8_8.4   < *
    cpe:/a:redhat:rhel_eus:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.13.1-3.el9_3.3   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.20.11-24.el9   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:22.1.9-5.el9   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:1.11.0-22.el9_0.5   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:1.12.0-14.el9_2.2   < *
    cpe:/a:redhat:rhel_eus:9.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website


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          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
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          "product": "Red Hat Enterprise Linux 8.6 Extended Update Support",
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          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
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          "cpes": [
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          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
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              "versionType": "rpm"
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.13.1-3.el9_3.3",
              "versionType": "rpm"
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/a:redhat:enterprise_linux:9::crb"
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          "defaultStatus": "affected",
          "packageName": "xorg-x11-server",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.20.11-24.el9",
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          "defaultStatus": "affected",
          "packageName": "xorg-x11-server-Xwayland",
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          "vendor": "Red Hat",
          "versions": [
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              "lessThan": "*",
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CVE-2023-46848 (GCVE-0-2023-46848)
Vulnerability from
Published
2023-11-03 07:58
Modified
2025-11-20 07:06
CWE
  • CWE-681 - Incorrect Conversion between Numeric Types
Summary
Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.
Impacted products
Vendor Product Version
Version: 5.0.3   
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-5.el9_2.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-6.el9_3.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 7:5.2-1.el9_0.3   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Show details on NVD website


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CVE-2023-46848 (GCVE-0-2023-46848)
Vulnerability from
Published
2023-11-03 07:58
Modified
2025-11-20 07:06
CWE
  • CWE-681 - Incorrect Conversion between Numeric Types
Summary
Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.
Impacted products
Vendor Product Version
Version: 5.0.3   
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-5.el9_2.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-6.el9_3.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 7:5.2-1.el9_0.3   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
Create a notification for this product.
Show details on NVD website


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CVE-2023-46847 (GCVE-0-2023-46847)
Vulnerability from
Published
2023-11-03 07:58
Modified
2025-11-20 07:06
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Summary
Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP Digest Authentication.
References
https://access.redhat.com/errata/RHSA-2023:6266 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6267 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6268 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6748 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6801 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6803 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6804 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6805 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6810 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6882 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6884 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7213 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7576 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7578 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-46847 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2245916 issue-tracking, x_refsource_REDHAT
https://github.com/squid-cache/squid/security/advisories/GHSA-phqj-m8gv-cq4g
Impacted products
Vendor Product Version
Version: 3.2.0.1   < 6.4
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support Unaffected: 7:3.4.14-15.el6_10.1   < *
    cpe:/o:redhat:rhel_els:6
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   Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support Unaffected: 7:3.1.23-24.el6_10.1   < *
    cpe:/o:redhat:rhel_els:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Unaffected: 7:3.5.20-17.el7_9.9   < *
    cpe:/o:redhat:enterprise_linux:7::server
    cpe:/o:redhat:enterprise_linux:7::workstation
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118) Unaffected: 7:3.5.20-12.el7_6.2   < *
    cpe:/o:redhat:rhel_aus:7.6::server
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7.7 Advanced Update Support Unaffected: 7:3.5.20-13.el7_7.1   < *
    cpe:/o:redhat:rhel_aus:7.7::server
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8080020231030214932.63b34585   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8090020231030224841.a75119d5   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Unaffected: 8010020231101141358.c27ad7f8   < *
    cpe:/a:redhat:rhel_e4s:8.1::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 8060020231031165747.ad008a3a   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
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   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-5.el9_2.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
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   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-6.el9_3.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
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   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 7:5.2-1.el9_0.3   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
Show details on NVD website


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CVE-2023-46846 (GCVE-0-2023-46846)
Vulnerability from
Published
2023-11-03 07:33
Modified
2025-11-20 07:06
Severity ?
CWE
  • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Summary
SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
References
https://access.redhat.com/errata/RHSA-2023:6266 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6267 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6268 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6748 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6801 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6803 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6804 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6810 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7213 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:11049 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-46846 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2245910 issue-tracking, x_refsource_REDHAT
https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh
Impacted products
Vendor Product Version
Version: 2.6   
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 7:3.5.20-17.el7_9.13   < *
    cpe:/o:redhat:rhel_els:7
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8080020231030214932.63b34585   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8090020231030224841.a75119d5   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Unaffected: 8010020231101141358.c27ad7f8   < *
    cpe:/a:redhat:rhel_e4s:8.1::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 8060020231031165747.ad008a3a   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-5.el9_2.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-6.el9_3.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 7:5.2-1.el9_0.3   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website


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CVE-2023-46846 (GCVE-0-2023-46846)
Vulnerability from
Published
2023-11-03 07:33
Modified
2025-11-20 07:06
Severity ?
CWE
  • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Summary
SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
References
https://access.redhat.com/errata/RHSA-2023:6266 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6267 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6268 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6748 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6801 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6803 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6804 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:6810 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7213 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:11049 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-46846 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2245910 issue-tracking, x_refsource_REDHAT
https://github.com/squid-cache/squid/security/advisories/GHSA-j83v-w3p4-5cqh
Impacted products
Vendor Product Version
Version: 2.6   
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 7:3.5.20-17.el7_9.13   < *
    cpe:/o:redhat:rhel_els:7
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8080020231030214932.63b34585   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8090020231030224841.a75119d5   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions Unaffected: 8010020231101141358.c27ad7f8   < *
    cpe:/a:redhat:rhel_e4s:8.1::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Unaffected: 8020020231101135052.4cda2c84   < *
    cpe:/a:redhat:rhel_e4s:8.2::appstream
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/a:redhat:rhel_tus:8.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 8040020231101101624.522a0ee4   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 8060020231031165747.ad008a3a   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-5.el9_2.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 7:5.5-6.el9_3.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 7:5.2-1.el9_0.3   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website


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CVE-2023-4911 (GCVE-0-2023-4911)
Vulnerability from
Published
2023-10-03 17:25
Modified
2025-11-20 07:06
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
Impacted products
Vendor Product Version
Version: 2.34   < 2.39
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.28-225.el8_8.6   < *
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.28-225.el8_8.6   < *
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:2.28-189.6.el8_6   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/o:redhat:rhel_eus:8.6::baseos
    cpe:/a:redhat:rhel_eus:8.6::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-100.el9   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-60.el9_2.7   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-100.el9   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-60.el9_2.7   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support Unaffected: 0:2.34-28.el9_0.4   < *
    cpe:/a:redhat:rhel_eus:9.0::appstream
    cpe:/o:redhat:rhel_eus:9.0::baseos
    cpe:/a:redhat:rhel_eus:9.0::crb
Create a notification for this product.
   Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Unaffected: 0:2.28-189.6.el8_6   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/o:redhat:rhel_eus:8.6::baseos
    cpe:/a:redhat:rhel_eus:8.6::crb
Create a notification for this product.
   Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Unaffected: 0:4.5.3-10.el8ev   < *
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
Create a notification for this product.
   Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Unaffected: 0:4.5.3-202312060823_8.6   < *
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Show details on NVD website


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CVE-2023-4911 (GCVE-0-2023-4911)
Vulnerability from
Published
2023-10-03 17:25
Modified
2025-11-20 07:06
CWE
  • CWE-122 - Heap-based Buffer Overflow
Summary
A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.
Impacted products
Vendor Product Version
Version: 2.34   < 2.39
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.28-225.el8_8.6   < *
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.28-225.el8_8.6   < *
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Unaffected: 0:2.28-189.6.el8_6   < *
    cpe:/a:redhat:rhel_eus:8.6::appstream
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/o:redhat:rhel_eus:8.6::baseos
    cpe:/a:redhat:rhel_eus:8.6::crb
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-100.el9   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
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   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-60.el9_2.7   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
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   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.34-100.el9   < *
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    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
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    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
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    cpe:/a:redhat:rhel_eus:9.0::appstream
    cpe:/o:redhat:rhel_eus:9.0::baseos
    cpe:/a:redhat:rhel_eus:9.0::crb
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    cpe:/a:redhat:rhel_eus:8.6::appstream
    cpe:/o:redhat:rhev_hypervisor:4.4::el8
    cpe:/o:redhat:rhel_eus:8.6::baseos
    cpe:/a:redhat:rhel_eus:8.6::crb
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Show details on NVD website


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        {
          "lang": "en",
          "value": "For customers who cannot update immediately and do not have Secure Boot feature enabled, the issue can be mitigated using the provided SystemTap script with the following steps.  When enabled, any setuid program invoked with GLIBC_TUNABLES in the environment will be terminated immediately.  To invoke the setuid program, users will then have to unset or clear the GLIBC_TUNABLES envvar, e.g. `GLIBC_TUNABLES= sudo` . \n\nNote that these mitigation steps will need to be repeated if the system is rebooted.\n\n1)    Install required systemtap packages and dependencies as per - https://access.redhat.com/solutions/5441\n\n\n2)    Create the following systemtap script, and name it stap_block_suid_tunables.stp:\n    ~~~\nfunction has_tunable_string:long()\n{\n  name = \"GLIBC_TUNABLES\"\n\n  mm = @task(task_current())-\u003emm;\n  if (mm)\n    {\n      env_start = @mm(mm)-\u003eenv_start;\n      env_end = @mm(mm)-\u003eenv_end;\n\n      if (env_start != 0 \u0026\u0026 env_end != 0)\n        while (env_end \u003e env_start)\n          {\n            cur = user_string(env_start, \"\");\n            env_name = tokenize(cur, \"=\");\n      \n            if (env_name == name \u0026\u0026 tokenize(\"\", \"\") != \"\")\n              return 1;\n            env_start += strlen (cur) + 1\n          }\n    }\n\n  return 0;\n}\n\nprobe process(\"/lib*/ld*.so*\").function(\"__tunables_init\")\n{\n  atsecure = 0;\n  /* Skip processing if we can\u0027t read __libc_enable_secure, e.g. core dump\n     handler (systemd-cgroups-agent and systemd-coredump).  */\n  try { atsecure = @var(\"__libc_enable_secure\"); }\n  catch { printk (4, sprintf (\"CVE-2023-4911: Skipped check: %s (%d)\", execname(), pid())); }\n  if (atsecure \u0026\u0026 has_tunable_string ())\n    raise (9);\n}\n~~~\n\n3) Load the systemtap module into the running kernel:\n    ~~~\n    stap -g -F -m stap_block_suid_tunables stap_block_suid_tunables.stp\n    ~~~\n\n4) Ensure the module is loaded:\n    ~~~\n     lsmod | grep -i stap_block_suid_tunables\nstap_block_suid_tunables     249856  0\n~~~\n\n5) Once the glibc package is updated to the version containing the fix, the systemtap generated kernel module can be removed by running:\n    ~~~\n    rmmod stap_block_suid_tunables\n    ~~~\n\nIf Secure Boot is enabled on a system, the SystemTap module must be signed. An external compiling server can be used to sign the generated kernel module with a key enrolled into the kernel\u0027s keyring or starting with SystemTap 4.7 you can sign a module without a compile server. See further information here - https://www.redhat.com/sysadmin/secure-boot-systemtap"
        }
      ],
      "x_redhatCweChain": "CWE-122: Heap-based Buffer Overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-4911",
    "datePublished": "2023-10-03T17:25:08.434Z",
    "dateReserved": "2023-09-12T13:10:32.495Z",
    "dateUpdated": "2025-11-20T07:06:18.837Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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