High severity7.1NVD Advisory· Published Nov 5, 2021· Updated Jun 17, 2026
CVE-2021-41223
CVE-2021-41223
Description
TensorFlow is an open source platform for machine learning. In affected versions the implementation of FusedBatchNorm kernels is vulnerable to a heap OOB access. 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
tensorflowPyPI | >= 2.6.0, < 2.6.1 | 2.6.1 |
tensorflowPyPI | >= 2.5.0, < 2.5.2 | 2.5.2 |
tensorflowPyPI | < 2.4.4 | 2.4.4 |
tensorflow-cpuPyPI | >= 2.6.0, < 2.6.1 | 2.6.1 |
tensorflow-cpuPyPI | >= 2.5.0, < 2.5.2 | 2.5.2 |
tensorflow-cpuPyPI | < 2.4.4 | 2.4.4 |
tensorflow-gpuPyPI | >= 2.6.0, < 2.6.1 | 2.6.1 |
tensorflow-gpuPyPI | >= 2.5.0, < 2.5.2 | 2.5.2 |
tensorflow-gpuPyPI | < 2.4.4 | 2.4.4 |
Affected products
6- osv-coords4 versions
< 2.4.4+ 3 more
- (no CPE)range: < 2.4.4
- (no CPE)range: >= 2.6.0, < 2.6.1
- (no CPE)range: >= 2.6.0, < 2.6.1
- (no CPE)range: >= 2.6.0, < 2.6.1
- Range: >= 2.6.0, < 2.6.1
Patches
Vulnerability mechanics
References
7- github.com/tensorflow/tensorflow/commit/aab9998916c2ffbd8f0592059fad352622f89cdanvdPatchThird Party AdvisoryWEB
- github.com/tensorflow/tensorflow/security/advisories/GHSA-f54p-f6jp-4rhrnvdExploitPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-f54p-f6jp-4rhrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-41223ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-632.yamlghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-830.yamlghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-415.yamlghsaWEB
News mentions
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