USN-2898-1: GTK+ vulnerability

15 February 2016

gtk+2.0, gtk+3.0 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


GTK+ could be made to crash or run programs as your login if it processed a specially crafted image.

Software Description

  • gtk+2.0 - GTK+ graphical user interface library
  • gtk+3.0 - GTK+ graphical user interface library


It was discovered that GTK+ incorrectly handled certain large images. A remote attacker could use this issue to cause GTK+ applications to crash, resulting in a denial of service, or possibly execute arbitrary code.

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

To update your system, please follow these instructions:

After a standard system update you need to restart your session to make all the necessary changes.