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chore: import upstream snapshot with attribution

2026-07-13 12:14:16 +08:00

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TFSA-2021-197: Incomplete validation in `tf.summary.create_file_writer`

CVE Number

CVE-2021-41200

Impact

If tf.summary.create_file_writer is called with non-scalar arguments code crashes due to a CHECK-fail.

import tensorflow as tf
import numpy as np
tf.summary.create_file_writer(logdir='', flush_millis=np.ones((1,2)))

Patches

We have patched the issue in GitHub commit 874bda09e6702cd50bac90b453b50bcc65b2769e (merging #51715).

The fix will be included in TensorFlow 2.7.0. We will also cherrypick this commit on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.

For more information

Please consult our security guide for more information regarding the security model and how to contact us with issues and questions.

Attribution

This vulnerability has been reported externally via a GitHub issue.

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TFSA-2021-197: Incomplete validation in tf.summary.create_file_writer