OSV-2020-180 Heap-buffer-overflow in parquet::PlainByteArrayDecoder::DecodeArrowDense

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21009 Crash type: Heap-buffer-overflow READ 4 Crash state: parquet::PlainByteArrayDecoder::DecodeArrowDense parquet::PlainByteArrayDecoder::DecodeArrow parquet::internal::ByteArrayChunkedRecordReader::ReadValuesSpaced...

OSV-2020-21 UNKNOWN WRITE in arrow::internal::unpack32

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20711 Crash type: UNKNOWN WRITE Crash state: arrow::internal::unpack32 int arrow::BitUtil::BitReader::GetBatch parquet::DictByteArrayDecoderImpl::DecodeArrowDense...