SUSE-SU-2026:3111-1: important: Security update for libxml2

[SLE-UPDATES]

# Security update for libxml2

Announcement ID: SUSE-SU-2026:3111-1  
Release Date: 2026-07-17T14:18:02Z  
Rating: important  
References:

  * bsc#1269790

  
Cross-References:

  * CVE-2026-11979

  
CVSS scores:

  * CVE-2026-11979 ( SUSE ):  7.1
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-11979 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-11979 ( NVD ):  1.8
    CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-11979 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
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 one vulnerability can now be installed.

## Description:

This update for libxml2 fixes the following issue

  * CVE-2026-11979: stack-based buffer overflows in the `xmlcatalog` utility
    when running in `--shell` mode (bsc#1269790).

## 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-2026-3111=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3111=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libxml2-tools-2.9.4-46.102.2
    * python-libxml2-debuginfo-2.9.4-46.102.2
    * libxml2-tools-debuginfo-2.9.4-46.102.2
    * libxml2-devel-2.9.4-46.102.2
    * libxml2-2-debuginfo-2.9.4-46.102.2
    * libxml2-2-2.9.4-46.102.2
    * python-libxml2-debugsource-2.9.4-46.102.2
    * libxml2-debugsource-2.9.4-46.102.2
    * python-libxml2-2.9.4-46.102.2
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libxml2-2-32bit-2.9.4-46.102.2
    * libxml2-2-debuginfo-32bit-2.9.4-46.102.2
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * libxml2-doc-2.9.4-46.102.2
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libxml2-2-debuginfo-32bit-2.9.4-46.102.2
    * libxml2-tools-2.9.4-46.102.2
    * python-libxml2-debuginfo-2.9.4-46.102.2
    * libxml2-tools-debuginfo-2.9.4-46.102.2
    * libxml2-2-2.9.4-46.102.2
    * libxml2-devel-2.9.4-46.102.2
    * libxml2-2-debuginfo-2.9.4-46.102.2
    * libxml2-2-32bit-2.9.4-46.102.2
    * python-libxml2-debugsource-2.9.4-46.102.2
    * libxml2-debugsource-2.9.4-46.102.2
    * python-libxml2-2.9.4-46.102.2
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * libxml2-doc-2.9.4-46.102.2

## References:

  * https://www.suse.com/security/cve/CVE-2026-11979.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1269790

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