OSV-2021-859 Heap-buffer-overflow in FSE_writeNCount_generic

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35209 Crash type: Heap-buffer-overflow WRITE 1 Crash state: FSEwriteNCountgeneric FSEwriteNCount HUFcompressWeights...

zstd:simple_compress: Heap-buffer-overflow in FSE_writeNCount_generic

Project: https://github.com/facebook/zstd.git Detailed Report: https://oss-fuzz.com/testcase?key=5151131264221184 Project: zstd Fuzzing Engine: libFuzzer Fuzz Target: simplecompress Job Type: libfuzzerasanzstd Platform Id: linux Crash Type: Heap-buffer-overflow WRITE 1 Crash Address: 0x7f77d97693...