Secunia Security Advisory – Gentoo has issued an update for denyhosts. This fixes a vulnerability, 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/60106/sa27254.txt
Source: https://packetstormsecurity.com/files/60106/Secunia-Security-Advisory-27254.html