SUSE-SU-2025:20274-1: important: Security update for libxml2

[SLE-UPDATES]

# Security update for libxml2

Announcement ID: SUSE-SU-2025:20274-1  
Release Date: 2025-04-22T12:11:42Z  
Rating: important  
References:

  * bsc#1237363
  * bsc#1237370
  * bsc#1237418

  
Cross-References:

  * CVE-2024-56171
  * CVE-2025-24928
  * CVE-2025-27113

  
CVSS scores:

  * CVE-2024-56171 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-56171 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2024-56171 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
  * CVE-2025-24928 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-24928 ( SUSE ):  6.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
  * CVE-2025-24928 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
  * CVE-2025-27113 ( SUSE ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-27113 ( SUSE ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-27113 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-27113 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for libxml2 fixes the following issues:

  * CVE-2024-56171: Fixed use-after-free in xmlSchemaIDCFillNodeTables and
    xmlSchemaBubbleIDCNodeTables in xmlschemas.c [bsc#1237363]
  * CVE-2025-24928: Fixed stack-based buffer overflow in xmlSnprintfElements in
    valid.c [bsc#1237370]
  * CVE-2025-27113: Fixed NULL Pointer Dereference in libxml2 xmlPatMatch
    [bsc#1237418]

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-65=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * libxml2-debugsource-2.11.6-slfo.1.1_2.1
    * libxml2-tools-2.11.6-slfo.1.1_2.1
    * libxml2-2-debuginfo-2.11.6-slfo.1.1_2.1
    * libxml2-2-2.11.6-slfo.1.1_2.1
    * libxml2-tools-debuginfo-2.11.6-slfo.1.1_2.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-56171.html
  * https://www.suse.com/security/cve/CVE-2025-24928.html
  * https://www.suse.com/security/cve/CVE-2025-27113.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1237363
  * https://bugzilla.suse.com/show_bug.cgi?id=1237370
  * https://bugzilla.suse.com/show_bug.cgi?id=1237418

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