Secunia Security Advisory – Ubuntu has issued updates for kpdf / kword. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42885/sa18338.txt
Source: https://packetstormsecurity.com/files/42885/Secunia-Security-Advisory-18338.html