1. Ubuntu Security Notices
  2. USN-3481-1

USN-3481-1: WebKitGTK+ vulnerabilities

Publication date

16 November 2017

Overview

Several security issues were fixed in WebKitGTK+.

Releases

Packages

  • webkit2gtk - Web content engine library for GTK+

Details

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.

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.

Update instructions

This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any applications that use WebKitGTK+, such as Epiphany, to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
17.10 artful libjavascriptcoregtk-4.0-18 –  2.18.3-0ubuntu0.17.10.1
libwebkit2gtk-4.0-37 –  2.18.3-0ubuntu0.17.10.1
17.04 zesty libjavascriptcoregtk-4.0-18 –  2.18.3-0ubuntu0.17.04.1
libwebkit2gtk-4.0-37 –  2.18.3-0ubuntu0.17.04.1
16.04 xenial libjavascriptcoregtk-4.0-18 –  2.18.3-0ubuntu0.16.04.1
libwebkit2gtk-4.0-37 –  2.18.3-0ubuntu0.16.04.1

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References

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