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Fedora 43: Critical xorg-x11-server CVE Fixes CVE-2025

Linuxsecurity •LinuxSecurity Advisories • November 6, 2025

X.Org X11 X server. Update Information : Update to xserver 21.1.20, CVE fix for: CVE-2025-62229, CVE-2025-62230, CVE-2025-62231

Update to xserver 21.1.20, CVE fix for: CVE-2025-62229, CVE-2025-62230, CVE-2025-62231

* Tue Oct 28 2025 Olivier Fourdan - 21.1.20-1 - Update to xserver 21.1.20 (#2406803) - CVE fix for: CVE-2025-62229, CVE-2025-62230, CVE-2025-62231

[ 1 ] Bug #2406803 - xorg-x11-server-21.1.20 is available

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-df25db07fb' at the command line. For more information, refer to the dnf documentation available at

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Fedora Releases Urgent Security Update for xorg-x11-server CVEs Fedora has issued an urgent security update for the xorg-x11-server, addressing multiple vulnerabilities identified as CVE-2025-62229, CVE-2025-62230, and CVE-2025-62231. The update includes the release of xserver version 21.1.20, which is crucial for users of Fedora 41 and Fedora 43 to mitigate potential security risks. 2 sources 44

Extracted Entities

CVEs (3)

CVE-2025-62229 CVE-2025-62230 CVE-2025-62231