This script is Copyright (C) 2016 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
MITRE reports :
The Miller-Rabin primality check in Botan before 1.10.8 and 1.11.x
before 1.11.9 improperly uses a single random base, which makes it
easier for remote attackers to defeat cryptographic protection
mechanisms via a DH group.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 5.0