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Medium severity4.4NVD Advisory· Published Dec 10, 2020· Updated Jun 17, 2026

CVE-2020-26268

CVE-2020-26268

Description

In affected versions of TensorFlow the tf.raw_ops.ImmutableConst operation returns a constant tensor created from a memory mapped file which is assumed immutable. However, if the type of the tensor is not an integral type, the operation crashes the Python interpreter as it tries to write to the memory area. If the file is too small, TensorFlow properly returns an error as the memory area has fewer bytes than what is needed for the tensor it creates. However, as soon as there are enough bytes, the above snippet causes a segmentation fault. This is because the allocator used to return the buffer data is not marked as returning an opaque handle since the needed virtual method is not overridden. This is fixed in versions 1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, and 2.4.0.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
tensorflowPyPI
< 1.15.51.15.5
tensorflowPyPI
>= 2.0.0, < 2.0.42.0.4
tensorflowPyPI
>= 2.1.0, < 2.1.32.1.3
tensorflowPyPI
>= 2.2.0, < 2.2.22.2.2
tensorflowPyPI
>= 2.3.0, < 2.3.22.3.2
tensorflow-cpuPyPI
< 1.15.51.15.5
tensorflow-cpuPyPI
>= 2.0.0, < 2.0.42.0.4
tensorflow-cpuPyPI
>= 2.1.0, < 2.1.32.1.3
tensorflow-cpuPyPI
>= 2.2.0, < 2.2.22.2.2
tensorflow-cpuPyPI
>= 2.3.0, < 2.3.22.3.2
tensorflow-gpuPyPI
< 1.15.51.15.5
tensorflow-gpuPyPI
>= 2.0.0, < 2.0.42.0.4
tensorflow-gpuPyPI
>= 2.1.0, < 2.1.32.1.3
tensorflow-gpuPyPI
>= 2.2.0, < 2.2.22.2.2
tensorflow-gpuPyPI
>= 2.3.0, < 2.3.22.3.2

Affected products

18

Patches

Vulnerability mechanics

References

7

News mentions

0

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