Unknown vulnerability in Solaris 8 and 9 allows remote attackers to cause a denial of service (panic) via "Heavy UDP Usage" that triggers a NULL dereference.
https://exchange.xforce.ibmcloud.com/vulnerabilities/19119
http://www.securityfocus.com/bid/12385
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57728-1