SUSE-SU-2026:24545-1: important: Security update for libXtst

[SLE-SECURITY-UPDATES]

# Security update for libXtst

Announcement ID: SUSE-SU-2026:24545-1  
Release Date: 2026-10-30T15:10:06Z  
Rating: important  
References:

  * bsc#1281665
  * bsc#1285083

  
Cross-References:

  * CVE-2026-109088
  * CVE-2026-94286

  
CVSS scores:

  * CVE-2026-109088 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-109088 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-109088 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-94286 ( SUSE ):  7.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-94286 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-94286 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.1
  * SUSE Linux Enterprise Server for NVIDIA 16.1
  * SUSE Linux Enterprise Server for SAP Applications 16.1

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for libXtst fixes the following issues:

  * CVE-2026-94286: Out-of-bounds read in libXtst's RECORD reply parser
    (bsc#1281665).
  * CVE-2026-109088: libXtst RECORD EnableContext Reply Endless Loop
    (bsc#1285083).

## 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 16.1  
    zypper in -t patch SUSE-SLES-16.1-12

  * SUSE Linux Enterprise Server for SAP Applications 16.1  
    zypper in -t patch SUSE-SLES-16.1-12

  * SUSE Linux Enterprise Server for NVIDIA 16.1  
    zypper in -t patch SUSE-SLES-16.1-12

## Package List:

  * SUSE Linux Enterprise Server 16.1 (aarch64 ppc64le s390x x86_64)
    * libXtst6-debuginfo-1.2.5-160100.3.1
    * libXtst6-1.2.5-160100.3.1
    * libXtst-devel-1.2.5-160100.3.1
    * libXtst-debugsource-1.2.5-160100.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.1 (ppc64le x86_64)
    * libXtst6-debuginfo-1.2.5-160100.3.1
    * libXtst6-1.2.5-160100.3.1
    * libXtst-devel-1.2.5-160100.3.1
    * libXtst-debugsource-1.2.5-160100.3.1
  * SUSE Linux Enterprise Server for NVIDIA 16.1 (aarch64)
    * libXtst6-debuginfo-1.2.5-160100.3.1
    * libXtst6-1.2.5-160100.3.1
    * libXtst-devel-1.2.5-160100.3.1
    * libXtst-debugsource-1.2.5-160100.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-109088.html
  * https://www.suse.com/security/cve/CVE-2026-94286.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1281665
  * https://bugzilla.suse.com/show_bug.cgi?id=1285083

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