FreeBSD Security Advisory – The NFS client subsystem fails to correctly validate the length of a parameter provided by the user when a filesystem is mounted.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/90018/FreeBSD-SA-10-06.nfsclient.txt
Source: https://packetstormsecurity.com/files/90018/FreeBSD-Security-Advisory-Unvalidated-Input-In-nfsclient.html