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Fedora 42: xkbcomp Critical Advisory for CVE-2018

Linuxsecurity •LinuxSecurity Advisories • December 14, 2025

X.Org XKB keymap compiler Update Information : xkbcomp 1.5.0 (CVE-2018-15853, CVE-2018-15859, CVE-2018-15861, CVE-2018-15863)

X.Org XKB keymap compiler

xkbcomp 1.5.0 (CVE-2018-15853, CVE-2018-15859, CVE-2018-15861, CVE-2018-15863)

* Wed Dec 3 2025 Peter Hutterer - 1.5.0-1 - xkbcomp 1.5.0 (CVE-2018-15853, CVE-2018-15859, CVE-2018-15861, CVE-2018-15863) * Fri Jul 25 2025 Fedora Release Engineering - 1.4.7-4 - Rebuilt for

Fedora Update Notification FEDORA-2025-e110b32ac7 2025-12-14 01:31:22.817224+00:00 Name : xkbcomp Product : Fedora 42 Version : 1.5.0 Release : 1.fc42 URL : Summary : XKB keymap compiler Description : X.Org XKB keymap compiler

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-e110b32ac7' 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 42 and 43: Critical Vulnerabilities in xkbcomp Identified Fedora 42 and 43 have reported critical vulnerabilities in the xkbcomp component of the X.Org XKB keymap compiler, specifically CVE-2018-15853, CVE-2018-15859, CVE-2018-15861, and CVE-2018-15863. The vulnerabilities were addressed in xkbcomp version 1.5.0, released on December 3, 2025, by Peter Hutterer. 2 sources 45

Extracted Entities

CVEs (4)

CVE-2018-15853 CVE-2018-15859 CVE-2018-15861 CVE-2018-15863