Secunia Security Advisory – SCO has issued an update for wu-ftp. This fixes a vulnerability, which can be exploited by malicious users to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/37925/sa15620.txt
Source: https://packetstormsecurity.com/files/37925/Secunia-Security-Advisory-15620.html