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

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling

A flaw was found in xorg-x11-server. A local user can exploit a use-after-free condition—where the software attempts to access memory after it has been freed—by establishing a passive input grab and removing an input device. When subsequent input events are processed, the server dereferences the...

xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow

A flaw was found in xorg-x11-server. The GLX OpenGL Extension to the X Window System interface fails to verify that incoming data sizes do not exceed allocated buffer limits when handling large rendering requests. An authenticated local client can exploit this vulnerability by sending a specially...

xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor()

A flaw was found in xorg-x11-server. The server writes pointer barrier events into a fixed-size buffer without properly validating boundaries. An authenticated client can trigger this issue by configuring excessive pointer barriers and generating cursor motion events, causing a buffer overflow...

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: 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...

Rocky Linux 9 [CIQ] Security Update: xorg-x11-server-Xdmx / xorg-x11-server-Xdmx-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_82015)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202682015 advisory. xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests CVE-2026-93521 xorg-x11-server: xwayland:...

SUSE-SU-2026:4663-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. - CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. - CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. -...

RLSA-2026:82015 Important: 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-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests...

xorg-x11-server security update

An update is available for xorg-x11-server. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list X.Org is an open-source implementation of the X Window System. It...

AlmaLinux 9 : xorg-x11-server (ALSA-2026:82015)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:82015 advisory. xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests CVE-2026-93521 xorg-x11-server: xwayland:...

RockyLinux 9 : xorg-x11-server (RLSA-2026:82015)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:82015 advisory. xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests CVE-2026-93521 xorg-x11-server: xwayland:...

SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2026:4636-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4636-1 advisory. - CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. - CVE-2026-93515: X.Org Server Present Extension Use-After-Fre...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. CVE-2026-93517: GLX...

SUSE-SU-2026:4647-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. - CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. - CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. -...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. CVE-2026-93517: GLX...

SUSE-SU-2026:4646-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. - CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. - CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. -...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. CVE-2026-93517: GLX...

SUSE-SU-2026:4645-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. - CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. - CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. -...

Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. CVE-2026-93517: GLX...