OSV-2020-52 Heap-buffer-overflow in int arrow::util::RleDecoder::GetBatchWithDictSpaced<double>

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20665 Crash type: Heap-buffer-overflow READ 8 Crash state: int arrow::util::RleDecoder::GetBatchWithDictSpaced virtual thunk to parquet::DictDecoderImplparquet::PhysicalType...

OSV-2020-42 Heap-buffer-overflow in bool arrow::util::RleDecoder::NextCounts<int>

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20695 Crash type: Heap-buffer-overflow WRITE Crash state: bool arrow::util::RleDecoder::NextCounts int arrow::util::RleDecoder::GetBatchWithDictSpaced virtual thunk to parquet::DictDecoderImplparquet::PhysicalType...