Secunia Security Advisory – Fedora has issued an update for proftpd. This fixes a security issue, which potentially can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60719/sa27516.txt
Source: https://packetstormsecurity.com/files/60719/Secunia-Security-Advisory-27516.html