A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
Several security issues were fixed in WebKitGTK+.
- webkit2gtk: Web content engine library for GTK+
A large number of security issues were discovered in the WebKitGTK+ Web and
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.
The problem can be corrected by updating your system to the following
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.