They do! Apple plugs ten 'critical' security holes
More fixes for OS X
The patch fixes vulnerabilities in the operating system itself as well as bundled applications.
Apple does not provide severity ratings for the flaws in its software, but an advisory from security website Secunia gave the vulnerabilities its second highest rating of 'highly critical'.
Full story.... http://www.vnunet.com/vnunet/news/2142729/apple-plugs-ten-security-holes
whats odd is the lack of /. bs about this just last week some moron on /. was bragging that you can't do any buffer over runs on a osx 10+ device!