rpcbind in HP-UX 11.00, 11.04 and 11.11 allows remote attackers to cause a denial of service (core dump) via a malformed RPC portmap requests, possibly related to a buffer overflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5683
https://exchange.xforce.ibmcloud.com/vulnerabilities/7221
http://www.securityfocus.com/bid/3400