CVE-2020-15200: In Tensorflow before version 2.3.1, the `RaggedCountSparseOutput` implementation does not validate that the input argume

TensorFlow versions before 2.3.1 have a bug in the `RaggedCountSparseOutput` function where it doesn't properly check that input data is valid, which can cause a heap buffer overflow (unsafe memory access that corrupts data). If the first value in the `splits` tensor (a structure that partitions data) isn't 0, the program crashes with a segmentation fault (an error when accessing memory illegally).