Secunia Security Advisory – Debian has issued an update for icedove. This fixes multiple vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions or to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/87908/sa39184.txt
Source: https://packetstormsecurity.com/files/87908/Secunia-Security-Advisory-39184.html