FreeBSD Security Advisory FreeBSD-SA-03:14.arp – Under certain circumstances, it is possible for an attacker to flood a FreeBSD system with spoofed ARP requests, causing resource starvation which eventually results in a system panic.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31703/FreeBSD-SA-03%3A14.arp
Source: https://packetstormsecurity.com/files/31703/FreeBSD-Security-Advisory-2003.14.html