OSV-2021-1235 Heap-buffer-overflow in ih264d_fill_bs1_16x16mb_pslice

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38387 Crash type: Heap-buffer-overflow READ 4 Crash state: ih264dfillbs116x16mbpslice ih264dcomputebsnonmbaffthread ih264drecondeblkslice...

OSV-2021-380 Heap-buffer-overflow in ih264d_fill_bs1_16x16mb_pslice

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30801 Crash type: Heap-buffer-overflow READ 8 Crash state: ih264dfillbs116x16mbpslice ih264dcomputebsnonmbaffthread ih264drecondeblkslice...