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Ubuntu 16.04 LTS USN-3079-1 Moderate: WebKitGTK+ Remote Code Execution

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Calendar Grey September 14, 2016
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Ubuntu has rolled out security enhancements targeting various WebKitGTK+ vulnerabilities, boosting the web browsing experience with upgraded package releases.
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 moderate denial of service remote code execution cross-site scripting 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     2.12.5-0ubuntu0.16.04.1
  libwebkit2gtk-4.0-37            2.12.5-0ubuntu0.16.04.1

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

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

Severity
important
Lowest
Low
Medium
High
Critical

September 14, 2016

Topics%20covered

Topics Covered

security advisory moderate denial of service remote code execution cross-site scripting Ubuntu WebKitGTK+

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.12.5-0ubuntu0.16.04.1

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