KDE Security Advisory: kpdf, the KDE pdf viewer, shares code with xpdf. xpdf contains a buffer overflow that can be triggered by a specially crafted PDF file.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/35841/advisory-20050119-1.txt
Source: https://packetstormsecurity.com/files/35841/KDE-Security-Advisory-2005-01-19.1.html