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Fedora 43: Critical WebKitGTK Crash Fix Update for Processes Available
fedora
December 19, 2025
Correctly handle the program name passed to the sleep disabler
Summary
WebKitGTK is the port of the WebKit web rendering engine to the
GTK platform.
Update Information:
Correctly handle the program name passed to the sleep disabler. Ensure GStreamer is initialized before using the Quirks. Fix several crashes and rendering issues. Fix CVE-2025-14174, CVE-2025-43501, CVE-2025-43529, CVE-2025-43531, CVE-2025-43535, CVE-2025-43536, CVE-2025-43541
Topics Covered
Change Log
* Tue Dec 16 2025 Tomas Popela
References
[ 1 ] Bug #2423173 - CVE-2025-43529 webkitgtk: webkitgtk: Use-after-free due to improper memory management [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2423173
[ 2 ] Bug #2423292 - CVE-2025-43501 webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2423292
[ 3 ] Bug #2423296 - CVE-2025-43531 webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2423296
[ 4 ] Bug #2423302 - CVE-2025-43535 webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2423302
[ 5 ] Bug #2423306 - CVE-2025-43536 webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id...
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-96a708ea95' 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
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Severity
important
Lowest
Low
Medium
High
Critical
Name: webkitgtk
Product: Fedora 43
Version: 2.50.4
Release: 1.fc43
Summary: GTK web content engine library
Topics Covered
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