OSV-2020-109 UNKNOWN READ in arrow::BufferBuilder::Append

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20721 Crash type: UNKNOWN READ Crash state: arrow::BufferBuilder::Append arrow::BaseBinaryBuilder::Append parquet::ArrowBinaryHelper::Append...

OSV-2020-115 UNKNOWN WRITE in arrow::BaseBinaryBuilder<arrow::BinaryType>::UnsafeAppend

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21106 Crash type: UNKNOWN WRITE Crash state: arrow::BaseBinaryBuilder::UnsafeAppend parquet::PlainByteArrayDecoder::DecodeArrowDenseNonNull parquet::PlainByteArrayDecoder::DecodeArrow...