Debian Security Advisory 1124-1 – Toth Andras discovered that the fbgs framebuffer postscript/PDF viewer contains a typo, which prevents the intended filter against malicious postscript commands from working correctly. This might lead to the deletion of user data when displaying a postscript file.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48566/dsa-1124-1.txt
Source: https://packetstormsecurity.com/files/48566/Debian-Linux-Security-Advisory-1124-1.html