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Ubuntu 16.04 LTS USN-3166-1 Critical: WebKitGTK+ Security Fix

ubuntu
Calendar Grey January 10, 2017
Scroller Ubuntu
Multiple vulnerabilities have been identified in WebKitGTK+ that pose significant risks to Ubuntu 16.04 LTS, highlighting critical security concerns.
Several security issues were fixed in WebKitGTK+.

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.

Topics%20covered

Topics Covered

security advisory denial of service critical cross-site scripting arbitrary code execution Ubuntu WebKitGTK+

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

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

https://ubuntu.com/security/notices/USN-3166-1

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

Severity
critical
Lowest
Low
Medium
High
Critical

January 10, 2017

Topics%20covered

Topics Covered

security advisory denial of service critical cross-site scripting arbitrary code execution Ubuntu WebKitGTK+

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.14.2-0ubuntu0.16.04.1

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