ShellShock
Newly discovered BASH vulnerability finds Apple Inc.'s (NasdaqGS: AAPL) MAC OS X operating system with it's shell environment cracked; of course, this pernicious bug also finds its way into most Linux and/or other Unix-like and UNIX systems. Interestingly, there are workarounds and patches available for the version of BASH resident on your OS X systems. If you look hard enough, there is a workaround in the StackExchange article (linked to above).