The remote host is running a version of Mac OS X 10.10.x that is prior to version 10.10.1. Mac OS X 10.10.1 contains several security-related fixes for the following components :
Binary data 8643.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4453
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4458
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4459
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4460
support.apple.com/en-us/HT6591