Advisory Published

USN-4422-1: WebKitGTK+ vulnerabilities

First published: Tue Jul 14 2020(Updated: )

A large number of 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<2.28.3-0ubuntu0.20.04.1
2.28.3-0ubuntu0.20.04.1
=20.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.28.3-0ubuntu0.20.04.1
2.28.3-0ubuntu0.20.04.1
=20.04
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.28.3-0ubuntu0.19.10.1
2.28.3-0ubuntu0.19.10.1
=19.10
All of
ubuntu/libwebkit2gtk-4.0-37<2.28.3-0ubuntu0.19.10.1
2.28.3-0ubuntu0.19.10.1
=19.10
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.28.3-0ubuntu0.18.04.1
2.28.3-0ubuntu0.18.04.1
=18.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.28.3-0ubuntu0.18.04.1
2.28.3-0ubuntu0.18.04.1
=18.04

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Frequently Asked Questions

  • What is the vulnerability ID for this advisory?

    The vulnerability ID for this advisory is USN-4422-1.

  • What software is affected by this vulnerability?

    The libjavascriptcoregtk-4.0-18 and libwebkit2gtk-4.0-37 packages on Ubuntu 20.04, 19.10, and 18.04 are affected.

  • What is the remedy for this vulnerability?

    The recommended remedy is to upgrade to version 2.28.3-0ubuntu0.20.04.1 of the affected packages.

  • Are there any known exploits for this vulnerability?

    Yes, there are known exploits for this vulnerability.

  • Where can I find more information about this vulnerability?

    More information about this vulnerability can be found on the Ubuntu security website.

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