Yesterday Apple released patches for their three most recent operating systems (Mavericks, Mountain Lion and Lion) to secure your computers against potential Bash/ShellShock security exploits. It’s highly recommended that you download and install the appropriate patch for your Macs ASAP.

If you’re interested in learning what the ShellShock/Bash exploit is all about, here are a few detailed articles on it: McAfee, Ars Technica, Symantec.

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OS X Bash Update – Lion (10.7)

 

 

 

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OS X Bash Update – Mountain Lion (10.8)

 

 

 

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OS X Bash Update – Mavericks (10.9)