A webkit2gtk3 security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: webkit2gtk3-2.30.5-1.fc33

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Fedora Update Notification
FEDORA-2021-ab674d56bc
2021-02-17 05:08:30.084781
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Name : webkit2gtk3
Product : Fedora 33
Version : 2.30.5
Release : 1.fc33
URL :   https://www.webkitgtk.org/
Summary : GTK Web content engine library
Description :
WebKitGTK is the port of the portable web rendering engine WebKit to the
GTK platform.

This package contains WebKit2 based WebKitGTK for GTK 3.

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Update Information:

* 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
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ChangeLog:

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References:

[ 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
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-ab674d56bc' 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

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/keys