SUSE-SU-2026:0568-1: moderate: Security update for libxml2

Tue Feb 17 20:30:32 UTC 2026

# Security update for libxml2

Announcement ID: SUSE-SU-2026:0568-1  
Release Date: 2026-02-17T12:26:31Z  
Rating: moderate  
References:

  * bsc#1250553
  * bsc#1256807
  * bsc#1256808
  * bsc#1256809
  * bsc#1256811
  * bsc#1256812
  * bsc#1257593
  * bsc#1257594
  * bsc#1257595

Cross-References:

  * CVE-2025-10911
  * CVE-2026-0990
  * CVE-2026-0992
  * CVE-2026-1757

CVSS scores:

  * CVE-2025-10911 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-10911 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-10911 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-0990 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-0990 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-0990 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-0992 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-0992 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-0992 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-1757 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-1757 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-1757 ( NVD ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.2

An update that solves four vulnerabilities and has five security fixes can now
be installed.

## Description:

This update for libxml2 fixes the following issues:

  * CVE-2026-0990: Fixed a call stack overflow leading to application crash due
    to infinite recursion in `xmlCatalogXMLResolveURI`. (bsc#1256807,
    bsc#1256811)
  * CVE-2026-0992: Fixed an excessive resource consumption when processing XML
    catalogs due to exponential behavior. (bsc#1256809, bsc#1256812)
  * CVE-2026-1757: Fixed a memory leak in the `xmllint` interactive shell.
    (bsc#1257594, bsc#1257595)
  * CVE-2025-10911: Fixed a use-after-free with key data stored cross-RVT.
    (bsc#1250553)

## 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-15.6-2026-568=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-568=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-568=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * python3-libxml2-python-debuginfo-2.9.7-150000.3.94.1
    * python3-libxml2-python-2.9.7-150000.3.94.1
    * python-libxml2-python-debugsource-2.9.7-150000.3.94.1
  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * python3-libxml2-python-debuginfo-2.9.7-150000.3.94.1
    * libxml2-2-2.9.7-150000.3.94.1
    * libxml2-2-debuginfo-2.9.7-150000.3.94.1
    * libxml2-debugsource-2.9.7-150000.3.94.1
    * python-libxml2-python-debugsource-2.9.7-150000.3.94.1
    * libxml2-tools-debuginfo-2.9.7-150000.3.94.1
    * libxml2-tools-2.9.7-150000.3.94.1
    * python3-libxml2-python-2.9.7-150000.3.94.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * python3-libxml2-python-debuginfo-2.9.7-150000.3.94.1
    * libxml2-2-2.9.7-150000.3.94.1
    * libxml2-2-debuginfo-2.9.7-150000.3.94.1
    * libxml2-debugsource-2.9.7-150000.3.94.1
    * python-libxml2-python-debugsource-2.9.7-150000.3.94.1
    * libxml2-tools-debuginfo-2.9.7-150000.3.94.1
    * libxml2-tools-2.9.7-150000.3.94.1
    * python3-libxml2-python-2.9.7-150000.3.94.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-10911.html
  * https://www.suse.com/security/cve/CVE-2026-0990.html
  * https://www.suse.com/security/cve/CVE-2026-0992.html
  * https://www.suse.com/security/cve/CVE-2026-1757.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1250553
  * https://bugzilla.suse.com/show_bug.cgi?id=1256807
  * https://bugzilla.suse.com/show_bug.cgi?id=1256808
  * https://bugzilla.suse.com/show_bug.cgi?id=1256809
  * https://bugzilla.suse.com/show_bug.cgi?id=1256811
  * https://bugzilla.suse.com/show_bug.cgi?id=1256812
  * https://bugzilla.suse.com/show_bug.cgi?id=1257593
  * https://bugzilla.suse.com/show_bug.cgi?id=1257594
  * https://bugzilla.suse.com/show_bug.cgi?id=1257595

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