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...

Important: tigervnc

Issue Overview: A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potential...

Important: xorg-x11-server

Issue Overview: A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potential...

Important: xorg-x11-server

Issue Overview: A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potential...

Important: tigervnc

Issue Overview: A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potential...

RockyLinux 10 : xorg-x11-server-Xwayland (RLSA-2025:19435)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-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 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...

RLSA-2025:19432 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...

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...

AlmaLinux 8 : xorg-x11-server-Xwayland (ALSA-2025:19432)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2025:19432 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

AlmaLinux 8 : tigervnc (ALSA-2025:19909)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19909 advisory. xorg: xmayland: Use-after-free in XPresentNotify structure creation CVE-2025-62229 xorg: xwayland: Use-after-free in Xkb client resource removal...

RLSA-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...

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...

ALSA-2025:19909 Important: tigervnc security update

Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients...

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...

FreeBSD : Xorg -- multiple vulnerabilities (e99a32c8-b8e2-11f0-8510-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the e99a32c8-b8e2-11f0-8510-b42e991fc52e advisory. https://access.redhat.com/errata/RHSA-2025:19432 reports: CVE-2025-62229: A flaw was found in...

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: xwayland: Use-after-free in Xkb client resource removal

A flaw was discovered in the X.Org X server’s X Keyboard Xkb extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected...

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. 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 available for each vulnerability...