HP Security Bulletin – A potential security vulnerability has been identified with HP-UX running sendmail. This vulnerability could allow a remote user to cause a Denial of Service (DoS). Yes, HP has just patched a bug from 2002. Better late than never, I guess.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/83622/HPSBUX02495-SSRT090151.txt
Source: https://packetstormsecurity.com/files/83622/HP-Security-Bulletin-HPSBUX02495-SSRT090151.html