Ubuntu Security Notice 6545-1 - 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.
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Ubuntu Security Notice USN-6545-1
December 11, 2023
webkit2gtk vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 23.04
- 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 2.42.3-0ubuntu0.23.10.1
libjavascriptcoregtk-4.1-0 2.42.3-0ubuntu0.23.10.1
libjavascriptcoregtk-6.0-1 2.42.3-0ubuntu0.23.10.1
libwebkit2gtk-4.0-37 2.42.3-0ubuntu0.23.10.1
libwebkit2gtk-4.1-0 2.42.3-0ubuntu0.23.10.1
Ubuntu 23.04:
libjavascriptcoregtk-4.0-18 2.42.3-0ubuntu0.23.04.1
libjavascriptcoregtk-4.1-0 2.42.3-0ubuntu0.23.04.1
libjavascriptcoregtk-6.0-1 2.42.3-0ubuntu0.23.04.1
libwebkit2gtk-4.0-37 2.42.3-0ubuntu0.23.04.1
libwebkit2gtk-4.1-0 2.42.3-0ubuntu0.23.04.1
Ubuntu 22.04 LTS:
libjavascriptcoregtk-4.0-18 2.42.3-0ubuntu0.22.04.1
libjavascriptcoregtk-4.1-0 2.42.3-0ubuntu0.22.04.1
libjavascriptcoregtk-6.0-1 2.42.3-0ubuntu0.22.04.1
libwebkit2gtk-4.0-37 2.42.3-0ubuntu0.22.04.1
libwebkit2gtk-4.1-0 2.42.3-0ubuntu0.22.04.1
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.
References:
https://ubuntu.com/security/notices/USN-6545-1
CVE-2023-42916, CVE-2023-42917
Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.3-0ubuntu0.23.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.3-0ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.42.3-0ubuntu0.22.04.1