Apple today released Security Update 2006-001 that patches several flaws in its Mac OS X operating system.

It’s recommended for all users (Mac OS X 10.3.9, Mac OS X 10.4.5) and it fixes 13 serious security issues, including 4 with Safari that could allow malicious code to be run from web pages or RSS feeds with Safari.

If you are a Mac user you can upgrade manually through Apple Downloads or through Software Update.