SUSE-SU-2025:3778-1: important: Security update for libxslt

[SLE-UPDATES]

# Security update for libxslt

Announcement ID: SUSE-SU-2025:3778-1  
Release Date: 2025-10-24T13:26:10Z  
Rating: important  
References:

  * bsc#1251979

  
Cross-References:

  * CVE-2025-11731

  
CVSS scores:

  * CVE-2025-11731 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-11731 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-11731 ( NVD ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

  
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 libxslt fixes the following issues:

  * CVE-2025-11731: fixed a type confusion in exsltFuncResultComp function that
    could cause a denial of service (bsc#1251979)

## 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-2025-3778=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-3778=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libxslt-debugsource-1.1.28-17.21.1
    * libxslt1-debuginfo-1.1.28-17.21.1
    * libxslt-tools-debuginfo-1.1.28-17.21.1
    * libxslt1-1.1.28-17.21.1
    * libxslt-tools-1.1.28-17.21.1
    * libxslt-devel-1.1.28-17.21.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libxslt1-32bit-1.1.28-17.21.1
    * libxslt1-debuginfo-32bit-1.1.28-17.21.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libxslt-debugsource-1.1.28-17.21.1
    * libxslt1-debuginfo-1.1.28-17.21.1
    * libxslt-tools-debuginfo-1.1.28-17.21.1
    * libxslt1-debuginfo-32bit-1.1.28-17.21.1
    * libxslt1-1.1.28-17.21.1
    * libxslt-tools-1.1.28-17.21.1
    * libxslt1-32bit-1.1.28-17.21.1
    * libxslt-devel-1.1.28-17.21.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-11731.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1251979

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