Secunia Security Advisory – Some vulnerabilities have been reported in Kolab Server, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/63761/sa29026.txt
Source: https://packetstormsecurity.com/files/63761/Secunia-Security-Advisory-29026.html