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Alerts This Week
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Fedora 44 xorg-x11-server Critical Vulnerabilities CVE-2026-33999 - 34003

fedora
Calendar Grey April 25, 2026
Dist Fedora Esm H88
Fedora 44 update for xorg-x11-server addresses critical CVE-2026 vulnerabilities improving system security.
Update to xserver 21.1.22, CVE fix for: CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003

Summary

X.Org X11 X server.

Update Information:

Update to xserver 21.1.22, CVE fix for: CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003

Topics%20covered

Topics Covered

security advisory fedora critical DoS CVE fix Xorg X11 Server

Change Log

* Tue Apr 14 2026 Olivier Fourdan - 21.1.22-1 - Update to xserver 21.1.22 - CVE fix for: CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003

References


[ 1 ] Bug #2458205 - xorg-x11-server-21.1.22 is available https://bugzilla.redhat.com/show_bug.cgi?id=2458205

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-cf9e55a7a0' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
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Critical

Name: xorg-x11-server
Product: Fedora 44
Version: 21.1.22
Release: 1.fc44
URL: http://www.x.org
Summary: X.Org X11 X server

Topics%20covered

Topics Covered

security advisory fedora critical DoS CVE fix Xorg X11 Server

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