Security update for libxml2

Announcement ID: SUSE-SU-2025:02294-1
Release Date: 2025-07-11T14:47:47Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-49794 ( SUSE ): 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-49794 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  • CVE-2025-49794 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  • CVE-2025-49796 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  • CVE-2025-49796 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  • CVE-2025-6021 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-6021 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-6021 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-6170 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2025-6170 ( SUSE ): 4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  • CVE-2025-6170 ( NVD ): 2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for libxml2 fixes the following issues:

  • CVE-2025-49794: Fixed a heap use after free which could lead to denial of service. (bsc#1244554)
  • CVE-2025-49796: Fixed type confusion which could lead to denial of service. (bsc#1244557)
  • CVE-2025-6170: Fixed a stack buffer overflow which could lead to a crash. (bsc#1244700)
  • CVE-2025-6021: Fixed an integer overflow in xmlBuildQName() which could lead to stack buffer overflow. (bsc#1244590)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Server 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-2294=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-2294=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • libxml2-devel-2.9.4-46.87.1
    • libxml2-debugsource-2.9.4-46.87.1
    • libxml2-2-debuginfo-2.9.4-46.87.1
    • libxml2-2-2.9.4-46.87.1
    • python-libxml2-debugsource-2.9.4-46.87.1
    • python-libxml2-debuginfo-2.9.4-46.87.1
    • libxml2-tools-debuginfo-2.9.4-46.87.1
    • libxml2-tools-2.9.4-46.87.1
    • python-libxml2-2.9.4-46.87.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    • libxml2-doc-2.9.4-46.87.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    • libxml2-2-32bit-2.9.4-46.87.1
    • libxml2-2-debuginfo-32bit-2.9.4-46.87.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • libxml2-devel-2.9.4-46.87.1
    • libxml2-debugsource-2.9.4-46.87.1
    • libxml2-2-debuginfo-2.9.4-46.87.1
    • libxml2-2-2.9.4-46.87.1
    • python-libxml2-debugsource-2.9.4-46.87.1
    • python-libxml2-debuginfo-2.9.4-46.87.1
    • libxml2-2-32bit-2.9.4-46.87.1
    • libxml2-tools-debuginfo-2.9.4-46.87.1
    • libxml2-tools-2.9.4-46.87.1
    • python-libxml2-2.9.4-46.87.1
    • libxml2-2-debuginfo-32bit-2.9.4-46.87.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    • libxml2-doc-2.9.4-46.87.1

References: