HP Security Bulletin – A potential security vulnerability have been identified with HP-UX programs using the ttrace(2) system call. The vulnerability could be exploited locally to create a Denial of Service (DoS).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80270/HPSBUX02450-SSRT090141.txt
Source: https://packetstormsecurity.com/files/80270/HP-Security-Bulletin-HPSBUX02450-SSRT090141.html