Apple has released a security updates for Safari to address multiple vulnerabilities. Exploitation of one of these vulnerabilities may allow an attacker to take control of an affected system.
The following updates are available:
(a) Safari 8.0.6 for OS X Yosemite v10.10.3
(b) Safari 7.1.6 for OS X Mavericks v10.9.5
(c) Safari 6.2.6 for OS X Mountain Lion v10.8.5
Users and administrators are encouraged to review the Apple security update and apply the necessary updates.