Apple has released Safari 5.1.4 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, spoof a domain name, obtain sensitive information, or perform a cross-site scripting attack.
US-CERT encourages users and administrators to review Apple article HT5190 and apply the necessary update to help mitigate the risk.
This product is provided subject to the Notification as indicated here: http://www.us-cert.gov/legal.html#notify