Apple has released security updates for Apple iOS, Safari 5.1.1, OS X Lion v10.7.2, iWork 09, and Apple TV 4.4 to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, and bypass security restrictions.

US-CERT encourages users and administrators to review the following Apple Support Articles and apply any necessary updates to help mitigate the risks.

• HT5004 - Numbers for iOS v1.5
• HT5003 - Pages for iOS v1.5
• HT5000 - Safari 5.1.1
• HT5002 - OS X Lion v10.7.2 and Security Update 2011-006
• HT5001 - Apple TV 4.4
• HT4999 - iOS 5 Software Update

Read more: US-CERT Current Activity