Apple security updates - Apple Support
Name and information link Available for Release date OS X NTP Security Update OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10.1 22 Dec 2014 Xcode 6.2 beta 3 OS X Mavericks v10.9.4 or later 18 Dec 2014 Safari 8.0.2, Safari 7.1.2 .....