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AUSCERT External Security Bulletin Redistribution
17 November 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
CVE Names: CVE-2017-13803 CVE-2017-13802 CVE-2017-13798
CVE-2017-13796 CVE-2017-13795 CVE-2017-13794
CVE-2017-13793 CVE-2017-13792 CVE-2017-13791
CVE-2017-13788 CVE-2017-13785 CVE-2017-13784
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Ubuntu Security Notice USN-3481-1
16th November, 2017
A security issue affects these releases of Ubuntu and its derivatives:
* Ubuntu 17.10
* Ubuntu 17.04
* Ubuntu 16.04 LTS
Several security issues were fixed in WebKitGTK+.
* webkit2gtk - Web content engine library for GTK+
A large number of security issues were discovered in the WebKitGTK+ Web and
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.
The problem can be corrected by updating your system to the following package
Ubuntu 16.04 LTS:
To update your system, please follow these instructions: https://
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.
CVE-2017-13783, CVE-2017-13784, CVE-2017-13785, CVE-2017-13788, CVE-2017-13791,
CVE-2017-13792, CVE-2017-13793, CVE-2017-13794, CVE-2017-13795, CVE-2017-13796,
CVE-2017-13798, CVE-2017-13802, CVE-2017-13803
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