Apple has moved quickly to address the “Shellshock” bug, releasing an update to OS X Mavericks overnight and it should pop up soon in your App Store update section. Patches were also released for the Lion and Mountain Lion OS X.
Developers were also greeted with the first build of iOS 8.1 with a build number of 12B401. If you have a developer account, then you can grab it at the usual places.
In fact there might be quite a few iOS 8 updates coming, with 9to5Mac reporting that Apple is currently testing three significant iOS 8 updates.
Whilst various reasons for the multiple testing are trotted out in the article, other sites