Advisory Published

USN-6631-1: WebKitGTK vulnerabilities

First published: Mon Feb 12 2024(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<2.42.5-0ubuntu0.23.10.2
2.42.5-0ubuntu0.23.10.2
Ubuntu=23.10
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.42.5-0ubuntu0.23.10.2
2.42.5-0ubuntu0.23.10.2
Ubuntu=23.10
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.42.5-0ubuntu0.23.10.2
2.42.5-0ubuntu0.23.10.2
Ubuntu=23.10
All of
ubuntu/libwebkit2gtk-4.0-37<2.42.5-0ubuntu0.23.10.2
2.42.5-0ubuntu0.23.10.2
Ubuntu=23.10
All of
ubuntu/libwebkit2gtk-4.1-0<2.42.5-0ubuntu0.23.10.2
2.42.5-0ubuntu0.23.10.2
Ubuntu=23.10
All of
ubuntu/libwebkitgtk-6.0-4<2.42.5-0ubuntu0.23.10.2
2.42.5-0ubuntu0.23.10.2
Ubuntu=23.10
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.42.5-0ubuntu0.22.04.2
2.42.5-0ubuntu0.22.04.2
Ubuntu=22.04
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.42.5-0ubuntu0.22.04.2
2.42.5-0ubuntu0.22.04.2
Ubuntu=22.04
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.42.5-0ubuntu0.22.04.2
2.42.5-0ubuntu0.22.04.2
Ubuntu=22.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.42.5-0ubuntu0.22.04.2
2.42.5-0ubuntu0.22.04.2
Ubuntu=22.04
All of
ubuntu/libwebkit2gtk-4.1-0<2.42.5-0ubuntu0.22.04.2
2.42.5-0ubuntu0.22.04.2
Ubuntu=22.04
All of
ubuntu/libwebkitgtk-6.0-4<2.42.5-0ubuntu0.22.04.2
2.42.5-0ubuntu0.22.04.2
Ubuntu=22.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6631-1?

    The severity of USN-6631-1 is classified as critical due to potential remote code execution and denial of service vulnerabilities.

  • How do I fix USN-6631-1?

    To fix USN-6631-1, update the affected packages to version 2.42.5-0ubuntu0.23.10.2 or 2.42.5-0ubuntu0.22.04.2 depending on your Ubuntu version.

  • Which software is affected by USN-6631-1?

    USN-6631-1 affects several WebKitGTK packages including libjavascriptcoregtk and libwebkit2gtk on Ubuntu versions 22.04 and 23.10.

  • What types of attacks can exploit USN-6631-1?

    USN-6631-1 could be exploited through cross-site scripting attacks and potentially allow attackers to execute scripts in a user's session.

  • Is there a workaround for USN-6631-1 until a patch is applied?

    There is no official workaround recommended for USN-6631-1; applying the patch is crucial for security.

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