Advisory Published

USN-3687-1: WebKitGTK+ vulnerabilities

First published: Mon Jun 18 2018(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<2.20.3-0ubuntu0.18.04.1
2.20.3-0ubuntu0.18.04.1
=18.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.20.3-0ubuntu0.18.04.1
2.20.3-0ubuntu0.18.04.1
=18.04
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.20.3-0ubuntu0.17.10.1
2.20.3-0ubuntu0.17.10.1
=17.10
All of
ubuntu/libwebkit2gtk-4.0-37<2.20.3-0ubuntu0.17.10.1
2.20.3-0ubuntu0.17.10.1
=17.10
All of
ubuntu/libjavascriptcoregtk-4.0-18<2.20.3-0ubuntu0.16.04.1
2.20.3-0ubuntu0.16.04.1
=16.04
All of
ubuntu/libwebkit2gtk-4.0-37<2.20.3-0ubuntu0.16.04.1
2.20.3-0ubuntu0.16.04.1
=16.04

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Frequently Asked Questions

  • What is the severity of USN-3687-1?

    The severity of USN-3687-1 is medium.

  • How can a user be affected by USN-3687-1?

    If a user were tricked into viewing a malicious website, a remote attacker could exploit various security issues related to web browser security.

  • What is the remedy for USN-3687-1?

    Update the affected packages to the latest version available for Ubuntu 18.04, 17.10, or 16.04.

  • What are the affected software packages for USN-3687-1?

    The affected software packages are libjavascriptcoregtk-4.0-18 and libwebkit2gtk-4.0-37.

  • Where can I find more information about USN-3687-1?

    You can find more information about USN-3687-1 on the Ubuntu security website.

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