[USN-6631-1] WebKitGTK vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-6631-1
February 12, 2024

webkit2gtk vulnerabilities
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in WebKitGTK.

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

Details:

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 23.10:
libjavascriptcoregtk-4.0-18 2.42.5-0ubuntu0.23.10.2
libjavascriptcoregtk-4.1-0 2.42.5-0ubuntu0.23.10.2
libjavascriptcoregtk-6.0-1 2.42.5-0ubuntu0.23.10.2
libwebkit2gtk-4.0-37 2.42.5-0ubuntu0.23.10.2
libwebkit2gtk-4.1-0 2.42.5-0ubuntu0.23.10.2
libwebkitgtk-6.0-4 2.42.5-0ubuntu0.23.10.2

Ubuntu 22.04 LTS:
libjavascriptcoregtk-4.0-18 2.42.5-0ubuntu0.22.04.2
libjavascriptcoregtk-4.1-0 2.42.5-0ubuntu0.22.04.2
libjavascriptcoregtk-6.0-1 2.42.5-0ubuntu0.22.04.2
libwebkit2gtk-4.0-37 2.42.5-0ubuntu0.22.04.2
libwebkit2gtk-4.1-0 2.42.5-0ubuntu0.22.04.2
libwebkitgtk-6.0-4 2.42.5-0ubuntu0.22.04.2

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.

References:
https://ubuntu.com/security/notices/USN-6631-1
CVE-2024-23206, CVE-2024-23213, CVE-2024-23222

Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.5-0ubuntu0.23.10.2
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.5-0ubuntu0.22.04.2