USN-2937-1: WebKitGTK+ vulnerabilities

21 March 2016

webkitgtk vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.10
  • Ubuntu 14.04 LTS


Several security issues were fixed in WebKitGTK+.

Software Description

  • webkitgtk - Web content engine library for GTK+


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

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

Ubuntu 15.10
libjavascriptcoregtk-1.0-0 - 2.4.10-0ubuntu0.15.10.1
libjavascriptcoregtk-3.0-0 - 2.4.10-0ubuntu0.15.10.1
libwebkitgtk-1.0-0 - 2.4.10-0ubuntu0.15.10.1
libwebkitgtk-3.0-0 - 2.4.10-0ubuntu0.15.10.1
Ubuntu 14.04 LTS
libjavascriptcoregtk-1.0-0 - 2.4.10-0ubuntu0.14.04.1
libjavascriptcoregtk-3.0-0 - 2.4.10-0ubuntu0.14.04.1
libwebkitgtk-1.0-0 - 2.4.10-0ubuntu0.14.04.1
libwebkitgtk-3.0-0 - 2.4.10-0ubuntu0.14.04.1

To update your system, please follow these 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 and Evolution, to make all the necessary changes.