MediumVulnerability

CVE-2020-15191: Tensorflow null pointer dereference in dlpack.to_dlpack on invalid argument

Source: NVD(opens in a new tab)
Identifier: CVE-2020-15191
Published: September 25, 2020
Record updated: October 10, 2026

Affected: tensorflow = 2.2.0, fixed in 2.2.1, released September 24, 2020, 1 day before disclosure
tensorflow = 2.3.0, fixed in 2.3.1, released September 24, 2020, 1 day before disclosure
tensorflow-cpu = 2.2.0, fixed in 2.2.1, released September 24, 2020, 1 day before disclosure
and 3 more
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.9%

Summary

CVE-2020-15191 affects TensorFlow versions before 2.2.1 and 2.3.1. When a user passes an invalid argument to `dlpack.to_dlpack`, validation code binds variables to `nullptr` and sets a `status` variable to the error, but the `status` value is never checked. Code that follows then binds references to null pointers, which is undefined behavior that the `-fsanitize=null` compiler option reports as an error.

Mitigation

Fixed in TensorFlow versions 2.2.1 and 2.3.1, via commit 22e07fb204386768e5bcbea563641ea11f96ceb8.

Details

Scores and exploitation

CVSS score: 5.3(medium)
Patch available: Yes
EPSS: 0.9%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-20
CWE-476
CWE-252

Affected

Packages: tensorflow@= 2.2.0 (fixed: 2.2.1)
tensorflow@= 2.3.0 (fixed: 2.3.1)
tensorflow-cpu@= 2.2.0 (fixed: 2.2.1)
tensorflow-cpu@= 2.3.0 (fixed: 2.3.1)
tensorflow-gpu@= 2.2.0 (fixed: 2.2.1)
tensorflow-gpu@= 2.3.0 (fixed: 2.3.1)
Vendors: Google

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Framework
Impact: Availability,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2020-15191

First tracked: February 15, 2026 at 08:38 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 95% (self-assessed)

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

tensorflowPyPINo LLM dependency detected · 26 tracked dependents
tensorflow-gpuPyPINo LLM dependency detected · 2 tracked dependents

Summary

Mitigation

Affected packages in the Exposure Registry

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