Secunia Security Advisory – Some vulnerabilities have been reported in Kerio MailServer, which potentially can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/63763/sa29021.txt
Source: https://packetstormsecurity.com/files/63763/Secunia-Security-Advisory-29021.html