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USN-3079-1: WebKitGTK+ vulnerabilities

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:

Summary

Several security issues were fixed in WebKitGTK+.

Software description

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:
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-2016-1854,

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

Source: USN-3079-1: WebKitGTK+ vulnerabilities

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