Considering that all versions of OS X are affected, will Apple issue a patch for 10.6 and earlier? That's an important question.
It appears not. Apple has made available OS X bash Update 1.0 for "OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5."
dkmarsh—member, FineTunedMac Co-op Board of Directors