Multiple integer overflows in the h264dec component 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 2016-06-01 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted media file that triggers a large memory allocation, aka internal bug 27855419.