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xorg: xwayland: Out-of-bounds write in CreatePointerBarrierClient()

🗓️ 13 May 2025 08:29:00Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Out-of-bounds write in X.Org and Xwayland due to GetBarrierDevice returning last list item when no match.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-26598
25 Feb 202516:15
–attackerkb
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2025-891)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2025-892)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2025-895)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : xorg-x11-server (ALAS-2025-2791)
27 Mar 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0041: tigervnc (ALINUX3-SA-2025:0041)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0076: xorg-x11-server-Xwayland (ALINUX3-SA-2025:0076)
27 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : tigervnc (ALSA-2025:2500)
16 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : tigervnc (ALSA-2025:2502)
16 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : xorg-x11-server (ALSA-2025:7163)
3 Jul 202500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64xorg-x11-server-xwayland23.2.7-3.el9_6xorg-x11-server-xwayland-23.2.7-3.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6i686xorg-x11-server-xwayland23.2.7-3.el9_6xorg-x11-server-xwayland-23.2.7-3.el9_6.i686.rpm
Red Hat Enterprise Linux9.6ppc64lexorg-x11-server-xwayland23.2.7-3.el9_6xorg-x11-server-xwayland-23.2.7-3.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xxorg-x11-server-xwayland23.2.7-3.el9_6xorg-x11-server-xwayland-23.2.7-3.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64xorg-x11-server-xwayland23.2.7-3.el9_6xorg-x11-server-xwayland-23.2.7-3.el9_6.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64xorg-x11-server-xwayland-debuginfo23.2.7-3.el9_6xorg-x11-server-xwayland-debuginfo-23.2.7-3.el9_6.aarch64.rpm
Red Hat Enterprise Linux9.6i686xorg-x11-server-xwayland-debuginfo23.2.7-3.el9_6xorg-x11-server-xwayland-debuginfo-23.2.7-3.el9_6.i686.rpm
Red Hat Enterprise Linux9.6ppc64lexorg-x11-server-xwayland-debuginfo23.2.7-3.el9_6xorg-x11-server-xwayland-debuginfo-23.2.7-3.el9_6.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xxorg-x11-server-xwayland-debuginfo23.2.7-3.el9_6xorg-x11-server-xwayland-debuginfo-23.2.7-3.el9_6.s390x.rpm
Red Hat Enterprise Linux9.6x86_64xorg-x11-server-xwayland-debuginfo23.2.7-3.el9_6xorg-x11-server-xwayland-debuginfo-23.2.7-3.el9_6.x86_64.rpm
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30 Jun 2026 02:58Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00397
SSVC
CWE-787
xorgxwaylandpointer barrierdevice idmemory accessout of bounds
4