This script is Copyright (C) 2015 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
PowerDNS reports :
A bug was found in our DNS packet parsing/generation code, which, when
exploited, can cause individual threads (disabling service) or whole
processes (allowing a supervisor to restart them) to crash with just
one or a few query packets.
See also :
Update the affected package.
Risk factor :