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Fedora 33: 2021-ab674d56bc Critical: WebKitGTK Use-After-Free Fix

fedora
Calendar Grey February 17, 2021
Dist Fedora Esm H88
Patch for CVE-2020-13558 implemented in webkit2gtk3 for Fedora systems, targeting significant security vulnerabilities with recent enhancements.
* Bring back the WebKitPluginProcess that was removed by mistake

Summary

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

GTK platform.

This package contains WebKit2 based WebKitGTK for GTK 3.

* Bring back the WebKitPluginProcess that was removed by mistake. (It will

disappear again soon.) * Fix RunLoop objects leaked in worker threads. * Use

Internet Explorer quirk for Google Docs. (Yes, even this new quirk is broken

already.) * Security fixes: CVE-2020-13558

[ 1 ] Bug #1928886 - CVE-2020-13558 webkitgtk: use-after-free may lead to arbitrary code execution via crafted web content

https://bugzilla.redhat.com/show_bug.cgi?id=1928886

su -c 'dnf upgrade --advisory FEDORA-2021-ab674d56bc' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
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Critical

Product: Fedora 33
Version: 2.30.5
Release: 1.fc33
Summary: GTK Web content engine library

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