HP Security Bulletin HPSBUX03437 SSRT110025 1 – A potential security vulnerability has been identified with HP-UX running HP-UX IPFilter. The vulnerability could be remotely exploited to cause a denial of service (DoS). Note: The vulnerability only exists when HP-UX IPFilter rules are configured for UDP protocol packets and the keep state option is used in that IPFilter rule. Revision 1 of this advisory.