Unknown vulnerability in Sun Java System Web Server 6.0 SP7 and earlier and 6.1 SP1 and earlier, and Application Server 7 Update 4 and earlier, allows remote attackers to cause a denial of service (crash) via a malformed client certificate.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17941
http://www.securityfocus.com/bid/11593
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57669-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101589-1