Ubuntu 2898-1: GTK+ vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 15.10: libgtk2.0-0 2.24.28-1ubuntu1.1 Ubuntu 14.04 LTS: libgtk2.0-0 2.24.23-0ubuntu1.4 Ubuntu 12.04 LTS: libgtk-3-0 3.4.2-0ubuntu0.9 libgtk2.0-0 2.24.10-0ubuntu6.3 After a standard system update you need to restart your session to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-2898-1
CVE-2013-7447
Package Information
https://launchpad.net/ubuntu/+source/gtk+2.0/2.24.28-1ubuntu1.1 https://launchpad.net/ubuntu/+source/gtk+2.0/2.24.23-0ubuntu1.4 https://launchpad.net/ubuntu/+source/gtk+2.0/2.24.10-0ubuntu6.3 https://launchpad.net/ubuntu/+source/gtk+3.0/3.4.2-0ubuntu0.9