Secunia Security Advisory – Some vulnerabilities have been discovered in Universal FTP, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/52101/sa22553.txt
Source: https://packetstormsecurity.com/files/52101/Secunia-Security-Advisory-22553.html