Advisory Published

USN-6545-1: WebKitGTK vulnerabilities

First published: Mon Dec 11 2023(Updated: )

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.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.42.3-0ubuntu0.23.10.1
2.42.3-0ubuntu0.23.10.1
Ubuntu=23.10
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.42.3-0ubuntu0.23.10.1
2.42.3-0ubuntu0.23.10.1
Ubuntu=23.10
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.42.3-0ubuntu0.23.10.1
2.42.3-0ubuntu0.23.10.1
Ubuntu=23.10
All of
ubuntu/libwebkit2gtk-4.0-37<2.42.3-0ubuntu0.23.10.1
2.42.3-0ubuntu0.23.10.1
Ubuntu=23.10
All of
ubuntu/libwebkit2gtk-4.1-0<2.42.3-0ubuntu0.23.10.1
2.42.3-0ubuntu0.23.10.1
Ubuntu=23.10
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.42.3-0ubuntu0.23.04.1
2.42.3-0ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.42.3-0ubuntu0.23.04.1
2.42.3-0ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.42.3-0ubuntu0.23.04.1
2.42.3-0ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.42.3-0ubuntu0.23.04.1
2.42.3-0ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/libwebkit2gtk-4.1-0<2.42.3-0ubuntu0.23.04.1
2.42.3-0ubuntu0.23.04.1
Ubuntu=23.04
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.42.3-0ubuntu0.22.04.1
2.42.3-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.42.3-0ubuntu0.22.04.1
2.42.3-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.42.3-0ubuntu0.22.04.1
2.42.3-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.42.3-0ubuntu0.22.04.1
2.42.3-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libwebkit2gtk-4.1-0<2.42.3-0ubuntu0.22.04.1
2.42.3-0ubuntu0.22.04.1
Ubuntu=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What types of vulnerabilities are involved in USN-6545-1?

    USN-6545-1 includes vulnerabilities related to web browser security in the WebKitGTK Web and JavaScript engines.

  • What is the recommended fix for USN-6545-1?

    The recommended fix for USN-6545-1 is to update the affected packages to version 2.42.3-0ubuntu0.23.10.1 or later.

  • Which Ubuntu versions are affected by USN-6545-1?

    USN-6545-1 affects Ubuntu versions 22.04 and 23.04, as well as 23.10.

  • What risks does USN-6545-1 pose to users?

    USN-6545-1 poses risks such as exploitation through cross-site scripting attacks and potential denial of service.

  • How can I check if I'm affected by USN-6545-1?

    You can check if you're affected by USN-6545-1 by verifying if your system is running an impacted version of the specified packages.

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