Secunia Security Advisory – Red Hat has issued an update for libtiff. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46197/sa20023.txt
Source: https://packetstormsecurity.com/files/46197/Secunia-Security-Advisory-20023.html