Stack-based buffer overflow in the WWW Proxy Server of Qbik WinGate 6.1.1.1077 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long URL HTTP request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26970
http://www.vupen.com/english/advisories/2006/2182
http://www.securityfocus.com/bid/18312
http://securitytracker.com/id?1016239
http://secunia.com/advisories/20483
http://lists.grok.org.uk/pipermail/full-disclosure/2006-June/046649.html