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[USN-3166-1] WebKitGTK+ vulnerabilities

Posted on 10 January 2017
Ubuntu Security

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Ubuntu Security Notice USN-3166-1
January 10, 2017

webkit2gtk vulnerabilities
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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 introsp=
ection

Details:

A large number of security issues were discovered in the WebKitGTK+ Web a=
nd
JavaScript engines. If a user were tricked into viewing a malicious
website, a remote attacker could exploit a variety of issues related to w=
eb
browser security, including cross-site scripting attacks, denial of servi=
ce
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

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any application=
s
that use WebKitGTK+, such as Epiphany, to make all the necessary changes.=


References:
http://www.ubuntu.com/usn/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

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




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