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://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-3534 http://www.openwall.com/lists/oss-security/2012/08/25/4 http://www.gnugk.org/gnugk-3.1.html http://www.vuxml.org/freebsd/342176a8-f464-11e1-8bd8-0022156e8794.html

The following package is affected: gatekeeper CVE-2012-3534 GNU Gatekeeper before 3.1 does not limit the number of connections to the status port, which allows remote attackers to cause a denial of service (connection and thread consumption) via a large number of connections.