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. http://www.nlnetlabs.nl/downloads/CVE-2012-2978.txt http://www.vuxml.org/freebsd/ce82bfeb-d276-11e1-92c6-14dae938ec40.html

The following package is affected: nsd CVE-2012-2978 query.c in NSD 3.0.x through 3.0.8, 3.1.x through 3.1.1, and 3.2.x before 3.2.12 allows remote attackers to cause a denial of service (NULL pointer dereference and child process crash) via a crafted DNS packet.