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Moderate severityNVD Advisory· Published Aug 12, 2021· Updated Aug 4, 2024

Division by zero in TFLite in TensorFlow

CVE-2021-37680

Description

TensorFlow is an end-to-end open source platform for machine learning. In affected versions the implementation of fully connected layers in TFLite is vulnerable to a division by zero error. We have patched the issue in GitHub commit 718721986aa137691ee23f03638867151f74935f. 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.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
tensorflowPyPI
< 2.3.42.3.4
tensorflowPyPI
>= 2.4.0, < 2.4.32.4.3
tensorflowPyPI
>= 2.5.0, < 2.5.12.5.1
tensorflow-cpuPyPI
< 2.3.42.3.4
tensorflow-cpuPyPI
>= 2.4.0, < 2.4.32.4.3
tensorflow-cpuPyPI
>= 2.5.0, < 2.5.12.5.1
tensorflow-gpuPyPI
< 2.3.42.3.4
tensorflow-gpuPyPI
>= 2.4.0, < 2.4.32.4.3
tensorflow-gpuPyPI
>= 2.5.0, < 2.5.12.5.1

Affected products

1

Patches

1
718721986aa1

Prevent division by 0 in `fully_connected.cc`

https://github.com/tensorflow/tensorflowMihai MaruseacJul 16, 2021via ghsa
commit
1 file changed · +1 −0
  • tensorflow/lite/kernels/fully_connected.cc+1 −0 modified
    @@ -223,6 +223,7 @@ TfLiteStatus PrepareImpl(TfLiteContext* context, TfLiteNode* node) {
   }
 
   TF_LITE_ENSURE_EQ(context, NumDimensions(filter), 2);
+  TF_LITE_ENSURE(context, filter->dims->data[1] != 0);
   const int batch_size = input_size / filter->dims->data[1];
   const int num_units = filter->dims->data[0];

Vulnerability mechanics

Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

8

News mentions

0

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