The vulnerability of the SyncChangeCounter() function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, allows a malicious actor to escalate their privileges and cause service failures.

The vulnerability of the SyncChangeCounter function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, is related to the possibility of using memory after it is freed. Exploiting this vulnerability can allow a malicious...

The vulnerability of the FreeCounter() function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, allows a malicious actor to escalate their privileges and cause service failures.

The vulnerability of the FreeCounter function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, is related to the possibility of using memory after it has been freed. Exploiting this vulnerability can allow a malicious...

The vulnerability of the __glXDisp_ChangeDrawableAttributes() function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, allows a malicious actor to gain unauthorized access to protected information.

The vulnerability of the glXDispChangeDrawableAttributes function in the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, is related to reading data beyond the permitted range of memory. Exploiting this vulnerability could...

ROOT-OS-DEBIAN-11-CVE-2026-34002 CVE-2026-34002 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-34002 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2023-5574 CVE-2023-5574 in rootio-xorg-server - Patched by Root

Root has patched CVE-2023-5574 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-34001 CVE-2026-34001 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-34001 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-33999 CVE-2026-33999 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-33999 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-50256 CVE-2026-50256 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-50256 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-50257 CVE-2026-50257 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-50257 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-50259 CVE-2026-50259 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-50259 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-50260 CVE-2026-50260 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-50260 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-34000 CVE-2026-34000 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-34000 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-34003 CVE-2026-34003 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-34003 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

ROOT-OS-DEBIAN-11-CVE-2026-50264 CVE-2026-50264 in rootio-xorg-server - Patched by Root

Root has patched CVE-2026-50264 in the rootio-xorg-server package for Root:Debian:11. Multiple fixed versions available...

Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free information disclosure in createsaverwindow()

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Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libxfont2 name length mismatch

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X.Org Server CheckKeyActions Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information 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...

X.Org Server SyncAwaitFence Use-After-Free 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...

Amazon Linux 2 : xorg-x11-server, --advisory ALAS2-2026-3336 (ALAS-2026-3336)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3336 advisory. A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer...

SUSE CVE-2026-50258

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. The X server has multiple stack buffers sized XkbMaxShiftLevel XkbNumKbdGroups but CheckKeyTypes does not verify or clamp non-canonical key types to XkbMaxShiftLevel. A client can change key types to excessive shift...