Secunia Security Advisory – Gentoo has acknowledged a vulnerability in netkit-ftpd, 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/63131/sa28697.txt
Source: https://packetstormsecurity.com/files/63131/Secunia-Security-Advisory-28697.html