Debian Security Advisory 1354-1 – It was discovered that an integer overflow in xpdf PDF viewer may lead to the execution of arbitrary code if a malformed PDF file is opened. gpdf includes a copy of the xpdf code and requires an update as well.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/58520/dsa-1354-1.txt
Source: https://packetstormsecurity.com/files/58520/Debian-Linux-Security-Advisory-1354-1.html