BINDの実装上のバグについて、FreeBSDでもSAが出ていますね。
BIND 9 is an implementation of the Domain Name System DNS protocols.The named8 daemon is an Internet Domain Name Server.DNS Security Extensions DNSSEC provides data integrity, originauthentication and authenticated denial of existence to resolvers.
引用元: BIND remote DoS with large RRSIG RRsets and negative caching.