Stack-based buffer overflow in dproxy.c for dproxy 0.1 through 0.5 allows remote attackers to execute arbitrary code via a long DNS query packet to UDP port 53.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33171
http://www.vupen.com/english/advisories/2007/1091
http://www.securityfocus.com/bid/23112