Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: xorg-x11-server (UTSA-2023-000012)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-000012 advisory. A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a...

NewStart CGSL MAIN 7.02 : xorg-x11-server-Xwayland Vulnerability (NS-SA-2026-0112)

The remote NewStart CGSL host, running version MAIN 7.02, has xorg-x11-server-Xwayland packages installed that are affected by a vulnerability: - A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer...

Oracle Linux 9 : xorg-x11-server-Xwayland (ELSA-2026-38490)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-38490 advisory. 24.1.9-4.3 - CVE fix for: CVE-2026-55999, CVE-2026-56000 Resolves: https://redhat.atlassian.net/browse/RHEL-191532 Resolves:...

xorg-x11-server security update

1.20.11-28.3 - CVE fix for CVE-2026-55999 Resolves: https://redhat.atlassian.net/browse/RHEL-191504...

xorg-x11-server-Xwayland security update

24.1.9-4.3 - CVE fix for: CVE-2026-55999, CVE-2026-56000 Resolves: https://redhat.atlassian.net/browse/RHEL-191518 Resolves: https://redhat.atlassian.net/browse/RHEL-191517...

xorg-x11-server-Xwayland security update

24.1.9-4.3 - CVE fix for: CVE-2026-55999, CVE-2026-56000 Resolves: https://redhat.atlassian.net/browse/RHEL-191532 Resolves: https://redhat.atlassian.net/browse/RHEL-191524...

Oracle Linux 8 : xorg-x11-server (ELSA-2026-38487)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-38487 advisory. 1.20.11-28.3 - CVE fix for CVE-2026-55999 Resolves: https://redhat.atlassian.net/browse/RHEL-191504 Tenable has extracted the preceding description block...

Oracle Linux 10 : xorg-x11-server-Xwayland (ELSA-2026-38489)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-38489 advisory. 24.1.9-4.3 - CVE fix for: CVE-2026-55999, CVE-2026-56000 Resolves: https://redhat.atlassian.net/browse/RHEL-191518 Resolves:...

xorg-x11-server security update

1.20.4-29.0.11 - Security update for CVE-2026-55999 Orabug: 39831768 1.20.4-29.0.9 - Security update for CVE-2026-50256 CVE-2026-50257 CVE-2026-50258 CVE-2026-50259 CVE-2026-50260 CVE-2026-50261 CVE-2026-50262 CVE-2026-50263 CVE-2026-50264 Orabug: 39695293 Tue Jun 09 2026 Ronan Pigott 1.20.4-29.0...

Astra Linux – Vulnerability in xorg-server

A flaw was discovered in xorg-x11-server in versions prior to 21.1.2 and prior to 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The greatest threat posed by this vulnerability is related to data confidentiality and integrity, as well as system availability...

RHSA-2026:53450 Red Hat Security Advisory: xorg-x11-server-Xwayland security update

Bulletin has no description...

AlmaLinux 9 : xorg-x11-server-Xwayland (ALSA-2026:38490)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:38490 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 X.org: xorg-x11-server: GLX contextTags Use-After-Free in...

TencentOS Server 2: xorg-x11-server (TSSA-2026:0834)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0834 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:...

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

An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A...

xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow

A flaw was found in the glamorfontget function of the xorg-x11-server. This vulnerability, a heap buffer overflow, occurs when the server processes a specially crafted PCF font file where individual glyph metrics exceed the declared maximum bounds. An authenticated X client can exploit this by...

RHEL 8 : xorg-x11-server-Xwayland (RHSA-2026:53450)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:53450 advisory. Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow...

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

An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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 severi...

RHEL 9 : xorg-x11-server-Xwayland (RHSA-2026:52397)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:52397 advisory. Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow...

RHEL 8 : xorg-x11-server-Xwayland (RHSA-2026:52392)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:52392 advisory. Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow...

MiracleLinux 9 : xorg-x11-server-1.20.11-34.el9_8.3 (AXSA:2026-1489:14)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1489:14 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the...