Stack-based buffer overflow in QK SMTP 3.01 and earlier might allow remote attackers to execute arbitrary code via a long argument to the RCPT TO command.Referenceshttp://securitytracker.com/id?1017114http://www.securityfocus.com/bid/20681https://www.exploit-db.com/exploits/2625http://secunia.com/advisories/22563http://www.vupen.com/english/advisories/2006/4169