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USN-3257-1: WebKitGTK+ vulnerabilities

10 April 2017

Several security issues were fixed in WebKitGTK+.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.10
Ubuntu 16.04

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.

Related notices

  • USN-3200-1: libwebkit2gtk-4.0-doc, webkit2gtk, gir1.2-webkit2-4.0, libwebkit2gtk-4.0-37, libwebkit2gtk-4.0-dev, libjavascriptcoregtk-4.0-dev, libjavascriptcoregtk-4.0-bin, libjavascriptcoregtk-4.0-18, gir1.2-javascriptcoregtk-4.0, libwebkit2gtk-4.0-37-gtk2