Apple today shipped another Mac OS X mega-update with fixes for at least 33 serious security problems. The update includes patches for third party components like Adobe s Flash Player plug-in, Clam AV, MySQL and PHP. A separate update was released for Snow Leopard to fix the issue where a vulnerable version of Flash Player was included with the new operating system. Apple has also released a separate update to fix a vulnerability in Flash Player for the new Snow Leopard version of the OSX.
Source: https://threatpost.com/mac-os-x-mega-update-fixes-33-security-defects-091409/72227/