SUSE-SU-2026:20233-1: moderate: Security update for libxml2

[SLE-SECURITY-UPDATES]

# Security update for libxml2

Announcement ID: SUSE-SU-2026:20233-1  
Release Date: 2026-02-05T11:26:20Z  
Rating: moderate  
References:

  * bsc#1256805

  
Cross-References:

  * CVE-2026-0989

  
CVSS scores:

  * CVE-2026-0989 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-0989 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-0989 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP Applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libxml2 fixes the following issues:

  * CVE-2026-0989: Fixed call stack exhaustion leading to application crash due
    to RelaxNG parser not limiting the recursion depth when resolving
    `<include>` directives (bsc#1256805).

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-244=1

  * SUSE Linux Enterprise Server for SAP Applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-244=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * python313-libxml2-debuginfo-2.13.8-160000.3.1
    * libxml2-tools-debuginfo-2.13.8-160000.3.1
    * libxml2-2-2.13.8-160000.3.1
    * libxml2-debugsource-2.13.8-160000.3.1
    * libxml2-2-debuginfo-2.13.8-160000.3.1
    * libxml2-python-debugsource-2.13.8-160000.3.1
    * libxml2-devel-2.13.8-160000.3.1
    * libxml2-tools-2.13.8-160000.3.1
    * python313-libxml2-2.13.8-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * libxml2-doc-2.13.8-160000.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    * python313-libxml2-debuginfo-2.13.8-160000.3.1
    * libxml2-tools-debuginfo-2.13.8-160000.3.1
    * libxml2-2-2.13.8-160000.3.1
    * libxml2-debugsource-2.13.8-160000.3.1
    * libxml2-2-debuginfo-2.13.8-160000.3.1
    * libxml2-python-debugsource-2.13.8-160000.3.1
    * libxml2-devel-2.13.8-160000.3.1
    * libxml2-tools-2.13.8-160000.3.1
    * python313-libxml2-2.13.8-160000.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (noarch)
    * libxml2-doc-2.13.8-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-0989.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1256805

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