HP Security Bulletin – A potential vulnerability has been identified with the HP Tru64 UNIX operating system running NIS ypserv. The vulnerability could be remotely exploited to cause a Denial of Service (DoS).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48398/SSRT061154.txt
Source: https://packetstormsecurity.com/files/48398/HP-Security-Bulletin-2006-11.54.html