FreeBSD Ports: unbound

The remote host is missing an update to the system as announced in the referenced advisory.
Update your system with the appropriate patches or software upgrades.
The following package is affected: unbound CVE-2011-4528 Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.