The Audio component in Android before 5.1.1 LMY48Z and 6.0 before 2015-12-01 allows remote attackers to obtain sensitive information via a crafted audio file, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 24211743.
Exposure of Sensitive Information to an Unauthorized Actor The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.