PT-2026-46939

Name of the Vulnerable Software and Affected Versions X.Org X server affected versions not specified Xwayland affected versions not specified Description A stack-based buffer overflow exists in the X.Org X server and Xwayland. The function XkbSetMapChecks declares a fixed-size stack buffer...

PT-2026-46944

Name of the Vulnerable Software and Affected Versions X.Org X server affected versions not specified Xwayland affected versions not specified Description An out-of-bounds write flaw exists in the X.Org X server and Xwayland within the DRIGetBuffers and DRIGetBuffersWithFormat functions. A client...

PT-2026-46937

Name of the Vulnerable Software and Affected Versions X.Org X server affected versions not specified Xwayland affected versions not specified Description A use-after-free flaw exists in the miSyncDestroyFence function. This occurs when a client sets up multiple fence triggers, allowing a function...

PT-2026-46941

Name of the Vulnerable Software and Affected Versions X.Org X server affected versions not specified Xwayland affected versions not specified Description A use-after-free flaw exists in the SyncChangeCounter function. A client that establishes multiple SyncCounters can trigger this condition by...

FreeBSD : xorg-server -- Multiple vulnerabilities (7b6463c6-3813-11f1-a284-589cfc10a551)

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 7b6463c6-3813-11f1-a284-589cfc10a551 advisory. X.Org project reports: Multiple issues have been found in the X server and Xwayland...

xwayland -- Multiple vulnerabilities

X.Org project reports: Multiple issues have been found in the X server and Xwayland implementations published by X.Org for which we are releasing security fixes for in xorg-server-21.1.22 and xwayland-24.1.10...

xorg-server -- Multiple vulnerabilities

X.Org project reports: Multiple issues have been found in the X server and Xwayland implementations published by X.Org for which we are releasing security fixes for in xorg-server-21.1.22 and xwayland-24.1.10...

PT-2026-33106

Name of the Vulnerable Software and Affected Versions xwayland versions prior to 24.1.9-2.1 xorg-x11-server versions prior to 21.1.21-5.1 Description Security issues were identified in xwayland and xorg-x11-server. Recommendations Update xwayland to version 24.1.9-2.1. Update xorg-x11-server to...

PT-2026-33104

Name of the Vulnerable Software and Affected Versions xwayland versions prior to 24.1.9-2.1 xorg-x11-server versions prior to 21.1.21-5.1 Description Security issues were identified in xwayland and xorg-x11-server. Recommendations Update xwayland to version 24.1.9-2.1. Update xorg-x11-server to...

PT-2026-33103

Name of the Vulnerable Software and Affected Versions xwayland versions prior to 24.1.9-2.1 xorg-x11-server versions prior to 21.1.21-5.1 Description Security issues were identified in xwayland and xorg-x11-server. Recommendations Update xwayland to version 24.1.9-2.1. Update xorg-x11-server to...

PT-2026-33105

Name of the Vulnerable Software and Affected Versions xwayland versions prior to 24.1.9-2.1 xorg-x11-server versions prior to 21.1.21-5.1 Description Security issues were identified in xwayland and xorg-x11-server. Recommendations Update xwayland to version 24.1.9-2.1. Update xorg-x11-server to...

PT-2026-33102

Name of the Vulnerable Software and Affected Versions xwayland versions prior to 24.1.9-2.1 xorg-x11-server versions prior to 21.1.21-5.1 Description Security issues were identified in xwayland and xorg-x11-server. Recommendations Update xwayland to version 24.1.9-2.1. Update xorg-x11-server to...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: xorg-x11-server (UTSA-2026-006161)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006161 advisory. 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 lea...

Security Bulletin: AIX Xorg X Server is vulnerable to memory corruption or a denial of service (CVE-2025-62230, CVE-2025-62231)

Summary Updated Feb 24 2026: New iFix for 7.3 TL3 SP2 provided with correct fileset prereqs. Updated the affected fileset levels to show that 7.3 TL3 SP2 is vulnerable. Vulnerabilities in Xorg X Server could cause a memory corruption or denial of service CVE-2025-62230, CVE-2025-62231...

AIX Xorg X Server is vulnerable to memory corruption or a denial of service (CVE-2025-62230 CVE-2025-62231)

IBM SECURITY ADVISORY First Issued: Thu Feb 19 16:07:09 CST 2026 |Updated: Tue Feb 24 10:50:50 CST 2026 |Update: New iFix for 7.3 TL3 SP2 provided with correct fileset prereqs. | Updated the affected fileset levels to show that 7.3 TL3 SP2 is | vulnerable. The most recent version of this document...

MiracleLinux 8 : userspace graphics, xorg-x11, and mesa, xorg-x11-server-1.20.10-1.el8 (AXSA:2021-2100:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-2100:01 advisory. xorg-x11-server: Out-of-bounds access in XkbSetNames function CVE-2020-14345 xorg-x11-server: Integer underflow in the X input extension protocol...

MiracleLinux 3 : xorg-x11-server-1.1.1-48.101.1.0.1.AXS3 (AXSA:2013-665:02)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2013-665:02 advisory. X.Org X11 X server Security issues fixed with this release: CVE-2013-4396 Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the...

MiracleLinux 3 : xorg-x11-server-1.1.1-48.26.5.3AXS3 (AXSA:2008-80:01)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2008-80:01 advisory. X.Org is an open source implementation of the X Window System. It provides basic low-level functionality that full-fledged graphical user interfaces a...

MiracleLinux 3 : xorg-x11-server-1.1.1-48.90.0.1.AXS3 (AXSA:2012-271:01)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2012-271:01 advisory. X.Org X11 X server Security issues fixed with this release: CVE-2011-4028 No information available at the time of writing, please refer to the CVE links below...

CVE-2010-0504

Multiple stack-based buffer overflows in iChat Server in Apple Mac OS X Server before 10.6.3 allow remote attackers to execute arbitrary code or cause a denial of service application crash via unspecified vectors...