Referenced CVEs: 
CVE-2007-2754
Description: 
=========================================================== Ubuntu Security Notice USN-466-1 May 30, 2007 freetype vulnerability CVE-2007-2754 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libfreetype6 2.1.10-1ubuntu2.4 Ubuntu 6.10: libfreetype6 2.2.1-5ubuntu0.2 Ubuntu 7.04: libfreetype6 2.2.1-5ubuntu1.1 After a standard system upgrade you need to restart your session or reboot your computer to effect the necessary changes. Details follow: Victor Stinner discovered that freetype did not correctly verify the number of points in a TrueType font. If a user were tricked into using a specially crafted font, a remote attacker could execute arbitrary code with user privileges.