webkit2gtk vulnerabilities

10 January 2017

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 versions:

Ubuntu 16.04 LTS

libjavascriptcoregtk-4.0-18 - 2.14.2-0ubuntu0.16.04.1

libwebkit2gtk-4.0-37 - 2.14.2-0ubuntu0.16.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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-2016-4613
• CVE-2016-4657
• CVE-2016-4666
• CVE-2016-4707
• CVE-2016-4728
• CVE-2016-4733
• CVE-2016-4734
• CVE-2016-4735
• CVE-2016-4759
• CVE-2016-4760
• CVE-2016-4761
• CVE-2016-4762
• CVE-2016-4764
• CVE-2016-4765
• CVE-2016-4767
• CVE-2016-4768
• CVE-2016-4769
• CVE-2016-7578