[SECURITY] Fedora 43 Update: xorg-x11-server-Xwayland-24.1.10-1.fc43

Xwayland is an X server for running X clients under Wayland...

PT-2026-46940

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 FreeCounter function. This occurs when a client establishes multiple SyncCounters and awaits their triggers...

PT-2026-46942

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 read flaw exists in the glXDisp ChangeDrawableAttributes function. Due to an incorrect size validation check, the system may...

[slackware-security] tigervnc

New tigervnc packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: extra/tigervnc/tigervnc-1.16.2-i586-2slack15.0.txz: Rebuilt. Rebuilt against xorg-server-1.20.14 patched to fix security issues: XKB Integer Underflo...

FreeBSD : xwayland -- Multiple vulnerabilities (099423d1-3815-11f1-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 099423d1-3815-11f1-a284-589cfc10a551 advisory. X.Org project reports: Multiple issues have been found in the X server and Xwayland...

OPENSUSE-SU-2026:20544-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom bsc1260923. - CVE-2026-34001: XSYNC Use-after-free in miSyncTriggerFence bsc1260924. - CVE-2026-34002: XKB...

Slackware: Security Advisory (SSA:2026-104-02)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[slackware-security] xorg-server

New xorg-server packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xorg-server-1.20.14-i586-19slack15.0.txz: Rebuilt. This update fixes security issues: XKB Integer Underflow in XkbSetCompatMap. X...

SUSE-SU-2026:1330-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap bsc1260922. - CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom bsc1260923. - CVE-2026-34001: XSYNC Use-after-free in miSyncTriggerFence bsc1260924. - CVE-2026-34002: XKB...

Linux Distros Unpatched Vulnerability : CVE-2026-34002

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB X Keyboard Extension modifier map handling. An attacker with...

Linux Distros Unpatched Vulnerability : CVE-2026-34001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence...

Linux Distros Unpatched Vulnerability : CVE-2026-34003

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to a...

Linux Distros Unpatched Vulnerability : CVE-2026-34000

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the CheckSetGeom and...

Slackware Linux 15.0 / current xorg-server Multiple Vulnerabilities (SSA:2026-104-02)

The version of xorg-server installed on the remote host is prior to 1.20.14 / 21.1.22 / 21.1.4 / 24.1.10. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-104-02 advisory. New xorg-server packages are available for Slackware 15.0 and -current to fix security...

Linux Distros Unpatched Vulnerability : CVE-2026-33999

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: xorg-x11-server (UTSA-2026-006190)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006190 advisory. A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an intege...

Unity Linux 20.1070e Security Update: xorg-x11-server (UTSA-2026-005923)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005923 advisory. A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap- buffer overflow may lead to a privilege escalation vulnerabilit...

Unity Linux 20.1070e Security Update: xorg-x11-server (UTSA-2026-005921)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005921 advisory. A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The...

Unity Linux 20.1070e Security Update: xorg-x11-server (UTSA-2026-005919)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005919 advisory. A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of...

Unity Linux 20.1070e Security Update: xorg-x11-server (UTSA-2026-005929)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005929 advisory. A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with...