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Fedora 45 WebKitGTK 2.52.2 Major Denial of Service Risk - 2027-g00571b8e8

fedora
Calendar Grey March 31, 2026
Dist Fedora Esm H88
Update webkitgtk 2.52.1 for Fedora 44 addresses several crucial issues and improves overall performance.
Update to 2.52.1: Reduce the amount of useless MPRIS notifications produced by MediaSesion when the information about media being played is incomplete

Summary

WebKitGTK is the port of the WebKit web rendering engine to the

GTK platform.

Update Information:

Update to 2.52.1: Reduce the amount of useless MPRIS notifications produced by MediaSesion when the information about media being played is incomplete. Add Sysprof marks for mouse events. Fix MediaSession icon for iheart.com not being displayed. Fix several crashes and rendering issues. Translation updates: Georgian. Update to 2.52.0: Make text look like in other browsers by blending in linear color space. Improved rendering performance by using a different tile size depending on whether GPU rendering is enabled or not. Improved composition scheduling to avoid blocking waiting for tile painting. Improved performance of accelerated 2D canvas by recording operations for batched replay. Improved async scrolling when main thread is busy by avoiding locks and rendering the scrollbars from the scrolling thread. Enabled dynamic MSAA for accelerated 2D canvas rendering. Improved text rendering performance Videos with BT2100-PQ colorspace are now tone-mapped to SDR, ensurin...

Topics%20covered

Topics Covered

security advisory denial of service security issue fedora important webkitgtk

Change Log

* Sat Mar 28 2026 Michael Catanzaro - 2.52.1-1 - Update to 2.52.1 * Wed Mar 25 2026 Jan Grulich - 2.52.0-4 - Add configuration for release-monitoring * Tue Mar 24 2026 Michael Catanzaro - 2.52.0-3 - Remove Unicode-TOU from license list * Tue Mar 24 2026 Michael Catanzaro - 2.52.0-2 - Correct license of m4sugar.m4 * Sat Mar 21 2026 Michael Catanzaro - 2.52.0-1 - Update to 2.52.0 * Fri Mar 6 2026 Michael Catanzaro - 2.51.93-1 - Update to 2.51.93 * Sun Mar 1 2026 Michael Catanzaro - 2.51.92-1 - Update to 2.51.92

References


[ 1 ] Bug #2449069 - CVE-2025-43213 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449069 [ 2 ] Bug #2449073 - CVE-2025-43214 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449073 [ 3 ] Bug #2449086 - CVE-2025-43457 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449086 [ 4 ] Bug #2449089 - CVE-2025-43511 webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2449089 [ 5 ] Bug #2449092 - CVE-2025-46299 webkitgtk: Processing maliciously crafted web content may disclose internal states of the app [fedora-all] https://bugzilla.r...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-f00460a7d9' 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
important
Lowest
Low
Medium
High
Critical

Name: webkitgtk
Product: Fedora 44
Version: 2.52.1
Release: 1.fc44
URL: https://www.webkitgtk.org/
Summary: GTK web content engine library

Topics%20covered

Topics Covered

security advisory denial of service security issue fedora important webkitgtk

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