Astra Linux – Vulnerability in xorg-server

A flaw was discovered in the Xorg-x11-server. A out-of-bounds access issue may occur in the ProcXkbSetGeometry function due to improper validation of the request length...

OPENSUSE-SU-2026:20896-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CreateSaverWindow Use-After-Free Information Disclosure. bsc1266301 - DRI2 DRIGetBuffers/DRIGetBuffersWithFormat Out-Of-Bounds Write. bsc1266302 - Font Alias Stack-based Buffer Overflow. bsc1266294 - GLX ChangeDrawableAttributes...

SUSE-SU-2026:2221-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues - CreateSaverWindow Use-After-Free Information Disclosure. bsc1266301 - DRI2 DRIGetBuffers/DRIGetBuffersWithFormat Out-Of-Bounds Write. bsc1266302 - Font Alias Stack-based Buffer Overflow. bsc1266294 - GLX ChangeDrawableAttributes...

UBUNTU-CVE-2026-33999

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

MiracleLinux 9 : xorg-x11-server-1.20.11-11.el9, xorg-x11-server-Xwayland-21.1.3-3.el9 (AXSA:2023-4916:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-4916:01 advisory. xorg-x11-server: X.Org Server ProcXkbSetGeometry out-of-bounds access CVE-2022-2319 xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo...

Moderate: Red Hat Security Advisory: xorg-x11-server security update

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 6 : tigervnc (RHSA-2025:22667)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22667 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

xorg: xmayland: Value overflow in XkbSetCompatMap()

A flaw was identified in the X.Org X server’s X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a cras...

xorg: xmayland: Value overflow in XkbSetCompatMap()

A flaw was identified in the X.Org X server’s X Keyboard Xkb extension where improper bounds checking in the XkbSetCompatMap function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a cras...

Low: Red Hat Security Advisory: xorg-x11-server security update

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

CLSA-2025-1763138343 tigervnc: Fix of CVE-2025-62231

CVE-2025-62231: fix improper bounds checking in XkbSetCompatMap function to prevent unsigned short overflow and potential memory corruption or crash...

ALSA-2025:21035 Moderate: xorg-x11-server-Xwayland security update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal CVE-2025-62230 xorg: xmayland: Value overflow in XkbSetCompatMap...

RockyLinux 8 : xorg-x11-server (RLSA-2025:19434)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:19434 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

ALSA-2025:19435 Moderate: xorg-x11-server-Xwayland security update

Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal CVE-2025-62230 xorg: xmayland: Value overflow in XkbSetCompatMap...

Moderate: xorg-x11-server security update

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fixes: xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland:...

SUSE SLED15: xorg-x11-server / xorg-x11-server-Xvfb / xorg-x11-server-extra / etc (SUSE-SU-2025:3865-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3865-1 advisory. - Fixed use-after-free in XPresentNotify structures creation CVE-2025-62229, bsc1251958 - Fixed use-after-free...

SUSE SLED15: xorg-x11-server / xorg-x11-server-Xvfb / xorg-x11-server-extra / etc (SUSE-SU-2025:3872-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3872-1 advisory. - Fixed use-after-free in XPresentNotify structures creation CVE-2025-62229, bsc1251958 - Fixed...

Security update for xwayland

This update for xwayland fixes the following issues: Fixed use-after-free in XPresentNotify structures creation CVE-2025-62229, bsc1251958 Fixed Use-after-free in Xkb client resource removal CVE-2025-62230, bsc1251959 Fixed Value overflow in Xkb extension XkbSetCompatMap CVE-2025-62231, bsc125196...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: Fixed use-after-free in XPresentNotify structures creation CVE-2025-62229, bsc1251958 Fixed use-after-free in Xkb client resource removal CVE-2025-62230, bsc1251959 Fixed value overflow in Xkb extension XkbSetCompatMap CVE-2025-62231,...

X.Org Server XkbSetCompatMap Numeric Truncation Error Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of...