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CVE-2021-37673: TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attac…

Occurred: Aug 12, 2021
Published: Aug 12, 2021
Source: NVD CVE

Summary

TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can trigger a denial of service via a `CHECK`-fail in `tf.raw_ops.MapStage`. The [implementation](https://github.com/tensorflow/tensorflow/blob/460e000de3a83278fb00b61a16d161b1964f15f4/tensorflow/core/kernels/map_stage_op.cc#L513) does not check that the `key` input is a valid non-empty tensor. We have patched the issue in GitHub commit d7de67733925de196ec8863a33445b73f9562d1d. The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.

Classification

Category confidence: 85%

Severity confidence: 90%

Rationale: TensorFlow is an ML platform, but the CVE describes a denial of service vulnerability rather than a direct AI safety incident.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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