dproxy suffers from a typical buffer overflow condition, which allows an attacker to overwrite the stack. Version 0.5 and below are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/55355/AKLINK-SA-2007-001.txt
Source: https://packetstormsecurity.com/files/55355/AKLINK-SA-2007-001.txt.html