The listening daemon in Blue Coat Systems Inc. WinProxy before 6.1a allows remote attackers to cause a denial of service (crash) via a long HTTP request that causes an out-of-bounds read.
http://www.vupen.com/english/advisories/2006/0065
http://www.securityfocus.com/bid/16148
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=363