Secunia Security Advisory – Gentoo has issued an update for tiff. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48117/sa21002.txt
Source: https://packetstormsecurity.com/files/48117/Secunia-Security-Advisory-21002.html