aomimage.c in libaom in AOMedia before 2021-04-07 frees memory that is not located on the heap.
aomdsp/noisemodel.c in libaom in AOMedia before 2021-03-24 has a buffer overflow.
aomdsp/graintable.c in libaom in AOMedia before 2021-03-30 has a use-after-free.
Increasing the resolution of video frames, while performing a multi-threaded encode, can result in a heap overflow in av1looprestorationdealloc().