FreeProxy before 3.92 Build 1626 allows malicious users to cause a denial of service (infinite loop) via a HOST: header with a hostname and port number that refers to the server itself.Referenceshttp://marc.info/?l=full-disclosure&m=117085666921871&w=2http://www.vupen.com/english/advisories/2007/0514https://exchange.xforce.ibmcloud.com/vulnerabilities/32303http://secunia.com/advisories/24064http://marc.info/?l=bugtraq&m=117086856902907&w=2http://www.securityfocus.com/bid/22445http://osvdb.org/33116http://www.handcraftedsoftware.org/index.php?page=3&mode=article&k=60
