decoder/ih264d_api.c in mediaserver in Android 6.x before 2016-07-01 does not initialize certain data structures, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted media file, aka internal bug 27907656.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.