SUSE-SU-2025:0731-1: important: Security update for xorg-x11-server

26 Feb 2025

      # Security update for xorg-x11-server

Announcement ID: SUSE-SU-2025:0731-1  
Release Date: 2025-02-26T14:30:17Z  
Rating: important  
References:

  * bsc#1237427
  * bsc#1237429
  * bsc#1237430
  * bsc#1237431
  * bsc#1237432
  * bsc#1237433
  * bsc#1237434
  * bsc#1237435

Cross-References:

  * CVE-2025-26594
  * CVE-2025-26595
  * CVE-2025-26596
  * CVE-2025-26597
  * CVE-2025-26598
  * CVE-2025-26599
  * CVE-2025-26600
  * CVE-2025-26601

CVSS scores:

  * CVE-2025-26594 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
  * CVE-2025-26594 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2025-26594 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26595 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-26595 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  * CVE-2025-26595 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26596 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-26596 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2025-26596 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26597 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-26597 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  * CVE-2025-26597 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26598 ( SUSE ):  5.8
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-26598 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
  * CVE-2025-26598 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26599 ( SUSE ):  5.8
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-26599 ( SUSE ):  5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
  * CVE-2025-26599 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26600 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-26600 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26600 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26601 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-26601 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-26601 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves eight vulnerabilities can now be installed.

## Description:

This update for xorg-x11-server fixes the following issues:

  * CVE-2025-26594: Use-after-free of the root cursor (bsc#1237427).
  * CVE-2025-26595: Buffer overflow in XkbVModMaskText() (bsc#1237429).
  * CVE-2025-26596: Heap overflow in XkbWriteKeySyms() (bsc#1237430).
  * CVE-2025-26597: Buffer overflow in XkbChangeTypesOfKey() (bsc#1237431).
  * CVE-2025-26598: Out-of-bounds write in CreatePointerBarrierClient()
    (bsc#1237432).
  * CVE-2025-26599: Use of uninitialized pointer in compRedirectWindow()
    (bsc#1237433).
  * CVE-2025-26600: Use-after-free in PlayReleasedEvents() (bsc#1237434).
  * CVE-2025-26601: Use-after-free in SyncInitTrigger() (bsc#1237435).

## 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 High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-731=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-731=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-731=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2025-731=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-731=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-21.1.4-150500.7.32.1
    * xorg-x11-server-21.1.4-150500.7.32.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-sdk-21.1.4-150500.7.32.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-Xvfb-21.1.4-150500.7.32.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-21.1.4-150500.7.32.1
    * xorg-x11-server-21.1.4-150500.7.32.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-sdk-21.1.4-150500.7.32.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-Xvfb-21.1.4-150500.7.32.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-21.1.4-150500.7.32.1
    * xorg-x11-server-21.1.4-150500.7.32.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-sdk-21.1.4-150500.7.32.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-Xvfb-21.1.4-150500.7.32.1
  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-21.1.4-150500.7.32.1
    * xorg-x11-server-source-21.1.4-150500.7.32.1
    * xorg-x11-server-21.1.4-150500.7.32.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-sdk-21.1.4-150500.7.32.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-Xvfb-21.1.4-150500.7.32.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * xorg-x11-server-Xvfb-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-21.1.4-150500.7.32.1
    * xorg-x11-server-21.1.4-150500.7.32.1
    * xorg-x11-server-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-sdk-21.1.4-150500.7.32.1
    * xorg-x11-server-debugsource-21.1.4-150500.7.32.1
    * xorg-x11-server-extra-debuginfo-21.1.4-150500.7.32.1
    * xorg-x11-server-Xvfb-21.1.4-150500.7.32.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-26594.html
  * https://www.suse.com/security/cve/CVE-2025-26595.html
  * https://www.suse.com/security/cve/CVE-2025-26596.html
  * https://www.suse.com/security/cve/CVE-2025-26597.html
  * https://www.suse.com/security/cve/CVE-2025-26598.html
  * https://www.suse.com/security/cve/CVE-2025-26599.html
  * https://www.suse.com/security/cve/CVE-2025-26600.html
  * https://www.suse.com/security/cve/CVE-2025-26601.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1237427
  * https://bugzilla.suse.com/show_bug.cgi?id=1237429
  * https://bugzilla.suse.com/show_bug.cgi?id=1237430
  * https://bugzilla.suse.com/show_bug.cgi?id=1237431
  * https://bugzilla.suse.com/show_bug.cgi?id=1237432
  * https://bugzilla.suse.com/show_bug.cgi?id=1237433
  * https://bugzilla.suse.com/show_bug.cgi?id=1237434
  * https://bugzilla.suse.com/show_bug.cgi?id=1237435

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