Segfault in `tf.raw_ops.SparseCountSparseOutput`

Impact

Passing invalid arguments (e.g., discovered via fuzzing) to tf.raw_ops.SparseCountSparseOutput results in segfault.

Patches

We have patched the issue in GitHub commit 82e6203221865de4008445b13c69b6826d2b28d9.

The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.

For more information

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