While Snow Leopard is the current version of Apple’s operating system, the company is continuing to provide security updates for Leopard, Mac OS X 10.5, the previous version, for those users who have not (or could not) upgrade to Snow Leopard. Apple has released a large security update for Leopard, Security Update 2009-005, patching 33 bugs, covering all areas of the operating system. This 93 MB update is available from Software Update, or from this Apple page.
