This script is Copyright (C) 2010-2016 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
An authenticated remote attacker can causing a denial of service by
using a newer version of the kadmin protocol than the server supports.
The MIT Kerberos team also reports the cause :
The Kerberos administration daemon (kadmind) can crash due to
referencing freed memory.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 4.0
CVSS Temporal Score : 3.5
Public Exploit Available : true