OSV-2023-1313 Heap-buffer-overflow in isvcd_start_of_pic

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65060 Crash type: Heap-buffer-overflow WRITE Crash state: isvcdstartofpic isvcdparsedecodeslice isvcdparsenalunit...

OSV-2023-1207 Heap-buffer-overflow in isvcd_start_of_pic

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64436 Crash type: Heap-buffer-overflow WRITE Crash state: isvcdstartofpic isvcdparsedecodeslice isvcdparsenalunit...