Apple has pushed out a security update for all Mac OS X users. The updated features over 25 fixes for users of the obsolete Snow Leopard.
Apple, which often neglects older versions of its OS X software, went to the trouble of patching many hole and security risks in the 2-generation old software. It is unknown if this move represents a shift in Apple’s update policy and Apple rarely comments on security matters.
You can grab the update by launching Software Update, or by heading over to http://support.apple.com/kb/DL1587 and clicking the download link.