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/42509/sa18210.txt
Source: https://packetstormsecurity.com/files/42509/Secunia-Security-Advisory-18210.html