Unspecified vulnerability in NIS server on Sun Solaris 8, 9, and 10 allows local and remote attackers to cause a denial of service (ypserv hang) via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1921
https://exchange.xforce.ibmcloud.com/vulnerabilities/27722
http://www.vupen.com/english/advisories/2006/2799
http://www.securityfocus.com/bid/18972
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102462-1