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xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability

🗓️ 04 Aug 2025 16:35:43Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 15 Views

Flaw in X.Org server enables privilege escalation via heap overflow in _XkbSetCompatMap when run as root.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
FreeBSD		xorg server -- _XkbSetCompatMap vulnerability
29 Oct 202400:00
–freebsd
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2024-756)
14 Nov 202400:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0238: xorg-x11-server (ALINUX3-SA-2024:0238)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0252: tigervnc (ALINUX3-SA-2024:0252)
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 8 : xorg-x11-server and xorg-x11-server-Xwayland (ALSA-2024:8798)
6 Nov 202400:00
–nessus
Tenable Nessus		AlmaLinux 9 : xorg-x11-server (ALSA-2025:7163)
3 Jul 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : xorg-x11-server-Xwayland (ALSA-2025:7165)
3 Jul 202500:00
–nessus
Tenable Nessus		Azure Linux 3.0 Security Update: xorg-x11-server / xorg-x11-server-Xwayland (CVE-2024-9632)
10 Feb 202500:00
–nessus
Tenable Nessus		Debian dla-3940 : xdmx - security update
29 Oct 202400:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6s390xtigervnc0:1.1.0-25.el6_10.13tigervnc-0:1.1.0-25.el6_10.13.s390x.rpm
Red Hat Enterprise Linux6x86_64tigervnc0:1.1.0-25.el6_10.13tigervnc-0:1.1.0-25.el6_10.13.x86_64.rpm
Red Hat Enterprise Linux6anytigervnc0:1.1.0-25.el6_10.13.i686tigervnc-0:1.1.0-25.el6_10.13.i686.noarch.rpm
Red Hat Enterprise Linux6s390xtigervnc-debuginfo0:1.1.0-25.el6_10.13tigervnc-debuginfo-0:1.1.0-25.el6_10.13.s390x.rpm
Red Hat Enterprise Linux6x86_64tigervnc-debuginfo0:1.1.0-25.el6_10.13tigervnc-debuginfo-0:1.1.0-25.el6_10.13.x86_64.rpm
Red Hat Enterprise Linux6anytigervnc-debuginfo0:1.1.0-25.el6_10.13.i686tigervnc-debuginfo-0:1.1.0-25.el6_10.13.i686.noarch.rpm
Red Hat Enterprise Linux6s390xtigervnc-server0:1.1.0-25.el6_10.13tigervnc-server-0:1.1.0-25.el6_10.13.s390x.rpm
Red Hat Enterprise Linux6x86_64tigervnc-server0:1.1.0-25.el6_10.13tigervnc-server-0:1.1.0-25.el6_10.13.x86_64.rpm
Red Hat Enterprise Linux6anytigervnc-server0:1.1.0-25.el6_10.13.i686tigervnc-server-0:1.1.0-25.el6_10.13.i686.noarch.rpm
Red Hat Enterprise Linux6anytigervnc-server-applet0:1.1.0-25.el6_10.13.noarchtigervnc-server-applet-0:1.1.0-25.el6_10.13.noarch.noarch.rpm
Rows per page

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25 Jun 2026 11:08Current
6Medium risk
Vulners AI Score6
CVSS 3.17.8
EPSS0.00894
SSVC
CWE-122
xorg serverheap overflowxkb compat mapprivilege escalationdenial of serviceroot privilegestigervnc
15