Security update for xorg-x11-server

Announcement ID:	SUSE-SU-2025:0730-1
Release Date:	2025-02-26T14:29:29Z
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:	Basesystem Module 15-SP6 Development Tools Module 15-SP6 openSUSE Leap 15.6 SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6

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:

• openSUSE Leap 15.6
  zypper in -t patch SUSE-2025-730=1 openSUSE-SLE-15.6-2025-730=1
• Basesystem Module 15-SP6
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-730=1
• Development Tools Module 15-SP6
  zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP6-2025-730=1

Package List:

• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
  • xorg-x11-server-extra-debuginfo-21.1.11-150600.5.6.1
  • xorg-x11-server-sdk-21.1.11-150600.5.6.1
  • xorg-x11-server-source-21.1.11-150600.5.6.1
  • xorg-x11-server-Xvfb-21.1.11-150600.5.6.1
  • xorg-x11-server-extra-21.1.11-150600.5.6.1
  • xorg-x11-server-debugsource-21.1.11-150600.5.6.1
  • xorg-x11-server-21.1.11-150600.5.6.1
  • xorg-x11-server-Xvfb-debuginfo-21.1.11-150600.5.6.1
  • xorg-x11-server-debuginfo-21.1.11-150600.5.6.1
• Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
  • xorg-x11-server-extra-debuginfo-21.1.11-150600.5.6.1
  • xorg-x11-server-Xvfb-21.1.11-150600.5.6.1
  • xorg-x11-server-extra-21.1.11-150600.5.6.1
  • xorg-x11-server-debugsource-21.1.11-150600.5.6.1
  • xorg-x11-server-21.1.11-150600.5.6.1
  • xorg-x11-server-Xvfb-debuginfo-21.1.11-150600.5.6.1
  • xorg-x11-server-debuginfo-21.1.11-150600.5.6.1
• Development Tools Module 15-SP6 (aarch64 ppc64le s390x x86_64)
  • xorg-x11-server-debuginfo-21.1.11-150600.5.6.1
  • xorg-x11-server-debugsource-21.1.11-150600.5.6.1
  • xorg-x11-server-sdk-21.1.11-150600.5.6.1

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