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Ubuntu 22.10, 22.04 LTS, 20.04 LTS: 5893-1 Critical WebKitGTK Risk

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Calendar Grey February 27, 2023
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The latest Ubuntu Security Notice addresses vulnerabilities in WebKitGTK impacting different OS editions, urging users to update promptly for security.
Several security issues were fixed in WebKitGTK.

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.

Topics%20covered

Topics Covered

security advisory remote code execution cross-site scripting DoS Ubuntu WebKitGTK

Update Instructions

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

Ubuntu 22.10:
   libjavascriptcoregtk-4.0-18     2.38.5-0ubuntu0.22.10.1
   libjavascriptcoregtk-4.1-0      2.38.5-0ubuntu0.22.10.1
   libjavascriptcoregtk-5.0-0      2.38.5-0ubuntu0.22.10.1
   libwebkit2gtk-4.0-37            2.38.5-0ubuntu0.22.10.1
   libwebkit2gtk-4.1-0             2.38.5-0ubuntu0.22.10.1
   libwebkit2gtk-5.0-0             2.38.5-0ubuntu0.22.10.1

Ubuntu 22.04 LTS:
   libjavascriptcoregtk-4.0-18     2.38.5-0ubuntu0.22.04.1
   libjavascriptcoregtk-4.1-0      2.38.5-0ubuntu0.22.04.1
   libwebkit2gtk-4.0-37            2.38.5-0ubuntu0.22.04.1
   libwebkit2gtk-4.1-0             2.38.5-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
   libjavascriptcoregtk-4.0-18     2.38.5-0ubuntu0.20.04.1
   libwebkit2gtk-4.0-37            2.38.5-0ubuntu0.20.04.1

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.

References

https://ubuntu.com/security/notices/USN-5893-1

CVE-2023-23529

Severity
critical
Lowest
Low
Medium
High
Critical

February 27, 2023

Topics%20covered

Topics Covered

security advisory remote code execution cross-site scripting DoS Ubuntu WebKitGTK

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.38.5-0ubuntu0.22.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.38.5-0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.38.5-0ubuntu0.20.04.1

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