MPEG4Extractor.cpp in libstagefright in mediaserver in Android 4.x before 4.4.4 5.0.x before 5.0.2 5.1.x before 5.1.1 and 6.x before 2016-04-01 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds read and memory corruption) via a crafted media file aka internal bug 27208621.