Secunia Security Advisory – Tavis Ormandy has discovered a vulnerability in DenyHosts, 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/52802/sa23236.txt
Source: https://packetstormsecurity.com/files/52802/Secunia-Security-Advisory-23236.html