There are a good number of stories now out about this:
http://www.techmeme.com/150727/p8#a150727p8
It seems one of the original reports is here:
http://blog.zimperium.com/experts-found-a-unicorn-in-the-hea...
I'd also note that it seems this is research that will be presented next week at Black Hat and then again at DefCon.