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...

xorg: xmayland: Use-after-free in XPresentNotify structure creation

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 leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an...

Unity Linux 20.1060a / 20.1070a Security Update: tigervnc (UTSA-2025-990941)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990941 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...

Important: tigervnc

Issue Overview: 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 leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potential...

FreeBSD : Xorg -- multiple vulnerabilities (e99a32c8-b8e2-11f0-8510-b42e991fc52e)

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 e99a32c8-b8e2-11f0-8510-b42e991fc52e advisory. https://access.redhat.com/errata/RHSA-2025:19432 reports: CVE-2025-62229: A flaw was found in...

CVE-2025-62229

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 leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an...

UBUNTU-CVE-2025-62229

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 leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an...