CVE-2016-2419
media/libmedia/IDrm.cpp in mediaserver in Android 6.x before 2016-04-01 does not initialize a certain key-request data structure, which allows attackers to obtain sensitive information from process memory, and consequently bypass an unspecified protection mechanism, via unspecified vectors, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 26323455.
Source: CVE-2016-2419