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...

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

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability...

AlmaLinux 10 : xorg-x11-server-Xwayland (ALSA-2025:19435)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19435 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

AlmaLinux 9 : tigervnc (ALSA-2025:19489)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19489 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

MGASA-2025-0263 Updated x11-server, x11-server-xwayland & tigervnc packages fix security vulnerabilities

Use-after-free in XPresentNotify structures creation. CVE-2025-62229 Use-after-free in Xkb client resource removal. CVE-2025-62230 Value overflow in Xkb extension XkbSetCompatMap. CVE-2025-62231...

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,...

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,...