SUSE-SU-2026:0391-1: low: Security update for libxml2

[SLE-SECURITY-UPDATES]

# Security update for libxml2

Announcement ID: SUSE-SU-2026:0391-1  
Release Date: 2026-02-05T14:23:48Z  
Rating: low  
References:

  * bsc#1256805

  
Cross-References:

  * CVE-2026-0989

  
CVSS scores:

  * CVE-2026-0989 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-0989 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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:

  * openSUSE Leap 15.5
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Micro 5.5

  
  
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:

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2026-391=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-391=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-391=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * python311-libxml2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-python-debugsource-2.10.3-150500.5.35.1
    * libxml2-debugsource-2.10.3-150500.5.35.1
    * python3-libxml2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-2-2.10.3-150500.5.35.1
    * libxml2-tools-2.10.3-150500.5.35.1
    * python311-libxml2-2.10.3-150500.5.35.1
    * libxml2-tools-debuginfo-2.10.3-150500.5.35.1
    * python3-libxml2-2.10.3-150500.5.35.1
    * libxml2-2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-devel-2.10.3-150500.5.35.1
  * openSUSE Leap 15.6 (x86_64)
    * libxml2-devel-32bit-2.10.3-150500.5.35.1
    * libxml2-2-32bit-2.10.3-150500.5.35.1
    * libxml2-2-32bit-debuginfo-2.10.3-150500.5.35.1
  * openSUSE Leap 15.6 (noarch)
    * libxml2-doc-2.10.3-150500.5.35.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libxml2-python-debugsource-2.10.3-150500.5.35.1
    * libxml2-debugsource-2.10.3-150500.5.35.1
    * python3-libxml2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-2-2.10.3-150500.5.35.1
    * libxml2-tools-2.10.3-150500.5.35.1
    * libxml2-tools-debuginfo-2.10.3-150500.5.35.1
    * python3-libxml2-2.10.3-150500.5.35.1
    * libxml2-2-debuginfo-2.10.3-150500.5.35.1
  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * python311-libxml2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-python-debugsource-2.10.3-150500.5.35.1
    * libxml2-debugsource-2.10.3-150500.5.35.1
    * python3-libxml2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-2-2.10.3-150500.5.35.1
    * libxml2-tools-2.10.3-150500.5.35.1
    * python311-libxml2-2.10.3-150500.5.35.1
    * libxml2-tools-debuginfo-2.10.3-150500.5.35.1
    * python3-libxml2-2.10.3-150500.5.35.1
    * libxml2-2-debuginfo-2.10.3-150500.5.35.1
    * libxml2-devel-2.10.3-150500.5.35.1
  * openSUSE Leap 15.5 (x86_64)
    * libxml2-devel-32bit-2.10.3-150500.5.35.1
    * libxml2-2-32bit-2.10.3-150500.5.35.1
    * libxml2-2-32bit-debuginfo-2.10.3-150500.5.35.1
  * openSUSE Leap 15.5 (noarch)
    * libxml2-doc-2.10.3-150500.5.35.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * libxml2-2-64bit-debuginfo-2.10.3-150500.5.35.1
    * libxml2-2-64bit-2.10.3-150500.5.35.1
    * libxml2-devel-64bit-2.10.3-150500.5.35.1

## References:

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

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