Apple has released Safari 5.0.4 to address multiple vulnerabilities in the ImageIO, libxml, and WebKit packages. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, or conduct cross-site scripting attacks.

US-CERT encourages users and administrators to review Apple article HT4566 and apply any necessary updates to help mitigate the risks.

Read more: US-CERT Current Activity