Unspecified "critical denial-of-service vulnerability" in MyDNS before 1.1.0 has unknown impact and attack vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24228
http://www.vupen.com/english/advisories/2006/0256
http://www.securityfocus.com/bid/16431
http://www.gentoo.org/security/en/glsa/glsa-200601-16.xml
http://www.debian.org/security/2006/dsa-963
http://securitytracker.com/id?1015521
http://secunia.com/advisories/18653
http://secunia.com/advisories/18641