Debian Security Advisory 1385-1 Sean Larsson discovered that two code paths inside the X Font Server handle integer values insecurely, which may lead to the execution of arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60004/dsa-1385-1.txt
Source: https://packetstormsecurity.com/files/60004/Debian-Linux-Security-Advisory-1385-1.html