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Alerts This Week
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Fedora 42: Critical Memory Corruption Vulnerability in webkitgtk 2.48.5

fedora
Calendar Grey August 8, 2025
Scroller Fedora
The upgrade to webkitgtk 2.48.5 in Fedora 42 tackles major security vulnerabilities and enhances audio-visual playback capabilities.
Update to 2.48.5

Summary

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

GTK platform.

Update Information:

Update to 2.48.5. Changes since 2.48.3: Improve emoji font selection. Improve playback of multimedia streams from blob URLs. Fix crash when using a WebKitWebView widget in an offscreen window. Fix several crashes and rendering issues. CVE-2025-31273, CVE-2025-31278, CVE-2025-43211, CVE-2025-43212, CVE-2025-43216, CVE-2025-43227, CVE-2025-43240, CVE-2025-43265, CVE-2025-6558

Topics%20covered

Topics Covered

security advisory fedora memory corruption important malicious content webkitgtk

Change Log

* Tue Aug 5 2025 Michael Catanzaro - 2.48.5-1 - Update to 2.48.5

References


[ 1 ] Bug #2386383 - CVE-2025-43265 webkitgtk: Processing maliciously crafted web content may disclose internal states of the app [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2386383 [ 2 ] Bug #2386384 - CVE-2025-43227 webkitgtk: Processing maliciously crafted web content may disclose sensitive user information [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2386384 [ 3 ] Bug #2386387 - CVE-2025-43216 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2386387 [ 4 ] Bug #2386390 - CVE-2025-43212 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2386390 [ 5 ] Bug #2386397 - CVE-2025-43211 webkitgtk: Processing web content may lead to a denial-of-service [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2386397 [ 6 ] Bu...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-61ca72f430' 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
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Critical

Name: webkitgtk
Product: Fedora 42
Version: 2.48.5
Release: 1.fc42
URL: https://www.webkitgtk.org/
Summary: GTK web content engine library

Topics%20covered

Topics Covered

security advisory fedora memory corruption important malicious content webkitgtk

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