Multiple unspecified vulnerabilities in Sun Java System Web Proxy Server 3.6 SP7 and earlier allow remote attackers to cause a denial of service (unresponsive service) via unknown vectors.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-4799
http://www.vupen.com/english/advisories/2005/1689
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101913-1