Advisory Published

USN-7436-1: WebKitGTK vulnerabilities

First published: Mon Apr 14 2025(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-4.1-0<2.48.1-0ubuntu0.24.10.1
2.48.1-0ubuntu0.24.10.1
Ubuntu=24.10
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.48.1-0ubuntu0.24.10.1
2.48.1-0ubuntu0.24.10.1
Ubuntu=24.10
All of
ubuntu/libwebkit2gtk-4.1-0<2.48.1-0ubuntu0.24.10.1
2.48.1-0ubuntu0.24.10.1
Ubuntu=24.10
All of
ubuntu/libwebkitgtk-6.0-4<2.48.1-0ubuntu0.24.10.1
2.48.1-0ubuntu0.24.10.1
Ubuntu=24.10
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.48.1-0ubuntu0.24.04.1
2.48.1-0ubuntu0.24.04.1
Ubuntu=24.04
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.48.1-0ubuntu0.24.04.1
2.48.1-0ubuntu0.24.04.1
Ubuntu=24.04
All of
ubuntu/libwebkit2gtk-4.1-0<2.48.1-0ubuntu0.24.04.1
2.48.1-0ubuntu0.24.04.1
Ubuntu=24.04
All of
ubuntu/libwebkitgtk-6.0-4<2.48.1-0ubuntu0.24.04.1
2.48.1-0ubuntu0.24.04.1
Ubuntu=24.04
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.48.1-0ubuntu0.22.04.1
2.48.1-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libjavascriptcoregtk-4.1-0<2.48.1-0ubuntu0.22.04.1
2.48.1-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libjavascriptcoregtk-6.0-1<2.48.1-0ubuntu0.22.04.1
2.48.1-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.48.1-0ubuntu0.22.04.1
2.48.1-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libwebkit2gtk-4.1-0<2.48.1-0ubuntu0.22.04.1
2.48.1-0ubuntu0.22.04.1
Ubuntu=22.04
All of
ubuntu/libwebkitgtk-6.0-4<2.48.1-0ubuntu0.22.04.1
2.48.1-0ubuntu0.22.04.1
Ubuntu=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7436-1?

    The severity of USN-7436-1 is categorized as high due to multiple security vulnerabilities in WebKitGTK that could lead to exploitation.

  • How do I fix USN-7436-1?

    To fix USN-7436-1, upgrade to the latest versions of the affected packages: libjavascriptcoregtk-4.1-0, libjavascriptcoregtk-6.0-1, libwebkit2gtk-4.1-0, libwebkitgtk-6.0-4 for Ubuntu 24.10 or the corresponding versions for earlier releases.

  • What versions of Ubuntu are affected by USN-7436-1?

    USN-7436-1 affects Ubuntu 22.04 and 24.04, as well as Ubuntu 24.10.

  • What types of vulnerabilities are addressed in USN-7436-1?

    USN-7436-1 addresses vulnerabilities that include cross-site scripting and denial of service in the WebKitGTK engines.

  • Is it safe to browse the internet with the vulnerabilities in USN-7436-1?

    No, it is not safe to browse the internet with the vulnerabilities present as they could allow attackers to exploit the browser security.

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