gtk+ version 2.4.4 has heap and stack-based overflows that can allow for the compromise of an account used to browse a malicious XPM file.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34380/CESA-2004-005.txt
Source: https://packetstormsecurity.com/files/34380/Chris-Evans-Security-Advisory-2004.5.html