EUVD-2026-111276

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context...

CVE-2026-88812

A double-free vulnerability exists in the XKB SetGeometry geometry processing of the X.Org X Server (versions before 21.1.25 ) and XWayland (versions before 24.1.14 ). The issue is caused by an error handling flaw where a memory pointer is not cleared after an allocation failure, leading to a dou...

CVE-2026-88812

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context...

xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling

A flaw was found in the X.Org X Server and XWayland. An error handling issue in the X Keyboard Extension XKB geometry processing fails to clear a memory pointer after an allocation failure, leading to a double-free condition during cleanup. A local user can exploit this vulnerability by sending a...

xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize

A flaw was found in xorg-x11-server. Due to an integer truncation issue during memory allocation calculations within the X Keyboard Extension XKB, the server allocates an undersized buffer when resizing key types. An authenticated local client can exploit this vulnerability by sending specially...

xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling

A flaw was found in xorg-x11-server. In the X Keyboard Extension XKB, key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-bas...

CLSA-2026-1792770379 xorg-x11-server: Fix of CVE-2026-88812

CVE-2026-88812: fix NULL text pointer after free in the XKB doodad error path...

CLSA-2026-1792770197 xorg-x11-server: Fix of CVE-2026-88812

CVE-2026-88812: fix NULL text pointer after free in the XKB doodad error path...

Linux Distros Unpatched Vulnerability : CVE-2026-88812

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling CVE-2026-88812 Note that Nessus relies on the...

Linux Distros Unpatched Vulnerability : CVE-2026-93520

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling CVE-2026-93520 Note that Nessus relies on the presenc...

xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling

A flaw was found in xorg-x11-server. In the X Keyboard Extension XKB, key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-bas...

xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling

A flaw was found in the X.Org X Server and XWayland. An error handling issue in the X Keyboard Extension XKB geometry processing fails to clear a memory pointer after an allocation failure, leading to a double-free condition during cleanup. A local user can exploit this vulnerability by sending a...

xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize

A flaw was found in xorg-x11-server. Due to an integer truncation issue during memory allocation calculations within the X Keyboard Extension XKB, the server allocates an undersized buffer when resizing key types. An authenticated local client can exploit this vulnerability by sending specially...

RHEL 9 : xorg-x11-server (RHSA-2026:82015)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:82015 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...

xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling

A flaw was found in xorg-x11-server. In the X Keyboard Extension XKB, key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-bas...

xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling

A flaw was found in the X.Org X Server and XWayland. An error handling issue in the X Keyboard Extension XKB geometry processing fails to clear a memory pointer after an allocation failure, leading to a double-free condition during cleanup. A local user can exploit this vulnerability by sending a...

xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize

A flaw was found in xorg-x11-server. Due to an integer truncation issue during memory allocation calculations within the X Keyboard Extension XKB, the server allocates an undersized buffer when resizing key types. An authenticated local client can exploit this vulnerability by sending specially...

xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling

A flaw was found in xorg-x11-server. In the X Keyboard Extension XKB, key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-bas...

xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling

A flaw was found in the X.Org X Server and XWayland. An error handling issue in the X Keyboard Extension XKB geometry processing fails to clear a memory pointer after an allocation failure, leading to a double-free condition during cleanup. A local user can exploit this vulnerability by sending a...

xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize

A flaw was found in xorg-x11-server. Due to an integer truncation issue during memory allocation calculations within the X Keyboard Extension XKB, the server allocates an undersized buffer when resizing key types. An authenticated local client can exploit this vulnerability by sending specially...