Debian Security Advisory 1621-1 – Several remote vulnerabilities have been discovered in the Icedove mail client, an unbranded version of the Thunderbird client.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/68548/dsa-1621-1.txt
Source: https://packetstormsecurity.com/files/68548/Debian-Linux-Security-Advisory-1621-1.html