Ubuntu Security GTK Notice USN-5611-1

Ubuntu Security Notice USN-5611-1
September 14, 2022

webkit2gtk vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS


Several security issues were fixed in WebKitGTK.

Software Description:
– webkit2gtk: Web content engine library for GTK+


Several security issues were discovered in the WebKitGTK Web and JavaScript
engines. If a user were tricked into viewing a malicious website, a remote
attacker could exploit a variety of issues related to web browser security,
including cross-site scripting attacks, denial of service attacks, and
arbitrary code execution.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
libjavascriptcoregtk-4.0-18 2.36.7-0ubuntu0.22.04.1
libjavascriptcoregtk-4.1-0 2.36.7-0ubuntu0.22.04.1
libwebkit2gtk-4.0-37 2.36.7-0ubuntu0.22.04.1
libwebkit2gtk-4.1-0 2.36.7-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
libjavascriptcoregtk-4.0-18 2.36.7-0ubuntu0.20.04.1
libwebkit2gtk-4.0-37 2.36.7-0ubuntu0.20.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any applications
that use WebKitGTK, such as Epiphany, to make all the necessary changes.


Package Information:

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