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://article.gmane.org/gmane.network.gnutls.general/1733 http://secunia.com/advisories/36266 http://www.vuxml.org/freebsd/856a6f84-8b30-11de-8062-00e0815b8da8.html

The following packages are affected: gnutls gnutls-devel CVE-2009-2730 libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.