USN-3079-1: WebKitGTK+ vulnerabilities

Ubuntu Security Notice USN-3079-1

14th September, 2016

webkit2gtk vulnerabilities

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

• Ubuntu 16.04 LTS

Summary

Several security issues were fixed in WebKitGTK+.

Software description

• webkit2gtk - JavaScript engine library from WebKitGTK+ - GObject introspection

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.

Update instructions

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

Ubuntu 16.04 LTS:

libwebkit2gtk-4.0-37 2.12.5-0ubuntu0.16.04.1

libjavascriptcoregtk-4.0-18 2.12.5-0ubuntu0.16.04.1

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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.

References

CVE-2016-1854, CVE-2016-1856, CVE-2016-1857, CVE-2016-1858, CVE-2016-1859, CVE-2016-4583, CVE-2016-4585, CVE-2016-4586, CVE-2016-4588, CVE-2016-4589, CVE-2016-4590, CVE-2016-4591, CVE-2016-4622, CVE-2016-4623, CVE-2016-4624, CVE-2016-4651

from Ubuntu Security Notices http://ift.tt/2cZIyL8