Debian Security Advisory 1632-1 – Drew Yao discovered that libTIFF, a library for handling the Tagged Image File Format, is vulnerable to a programming error allowing malformed tiff files to lead to a crash or execution of arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/69434/dsa-1632-1.txt
Source: https://packetstormsecurity.com/files/69434/Debian-Linux-Security-Advisory-1632-1.html