Medium severity4.4NVD Advisory· Published Dec 10, 2020· Updated Jun 17, 2026
CVE-2020-26266
CVE-2020-26266
Description
In affected versions of TensorFlow under certain cases a saved model can trigger use of uninitialized values during code execution. This is caused by having tensor buffers be filled with the default value of the type but forgetting to default initialize the quantized floating point types in Eigen. This is fixed in versions 1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, and 2.4.0.
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 | < 1.15.5 | 1.15.5 |
tensorflowPyPI | >= 2.0.0, < 2.0.4 | 2.0.4 |
tensorflowPyPI | >= 2.1.0, < 2.1.3 | 2.1.3 |
tensorflowPyPI | >= 2.2.0, < 2.2.2 | 2.2.2 |
tensorflowPyPI | >= 2.3.0, < 2.3.2 | 2.3.2 |
tensorflow-cpuPyPI | < 1.15.5 | 1.15.5 |
tensorflow-cpuPyPI | >= 2.0.0, < 2.0.4 | 2.0.4 |
tensorflow-cpuPyPI | >= 2.1.0, < 2.1.3 | 2.1.3 |
tensorflow-cpuPyPI | >= 2.2.0, < 2.2.2 | 2.2.2 |
tensorflow-cpuPyPI | >= 2.3.0, < 2.3.2 | 2.3.2 |
tensorflow-gpuPyPI | < 1.15.5 | 1.15.5 |
tensorflow-gpuPyPI | >= 2.0.0, < 2.0.4 | 2.0.4 |
tensorflow-gpuPyPI | >= 2.1.0, < 2.1.3 | 2.1.3 |
tensorflow-gpuPyPI | >= 2.2.0, < 2.2.2 | 2.2.2 |
tensorflow-gpuPyPI | >= 2.3.0, < 2.3.2 | 2.3.2 |
Affected products
18- osv-coords16 versionspkg:bitnami/tensorflowpkg:pypi/tensorflowpkg:pypi/tensorflow-cpupkg:pypi/tensorflow-gpupkg:rpm/opensuse/bazel-skylib1.0.3&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/bazel3.7&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/tensorflow2&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/tensorflow2-lite&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/tensorflow2_2_6_0-gnu-hpc&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/tensorflow2_2_6_0-gnu-openmpi2-hpc&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/bazel-skylib1.0.3&distro=SUSE%20Package%20Hub%2015%20SP3pkg:rpm/suse/bazel3.7&distro=SUSE%20Package%20Hub%2015%20SP3pkg:rpm/suse/tensorflow2&distro=SUSE%20Package%20Hub%2015%20SP3pkg:rpm/suse/tensorflow2-lite&distro=SUSE%20Package%20Hub%2015%20SP3pkg:rpm/suse/tensorflow2_2_6_0-gnu-hpc&distro=SUSE%20Package%20Hub%2015%20SP3pkg:rpm/suse/tensorflow2_2_6_0-gnu-openmpi2-hpc&distro=SUSE%20Package%20Hub%2015%20SP3
< 1.15.5+ 15 more
- (no CPE)range: < 1.15.5
- (no CPE)range: < 1.15.5
- (no CPE)range: < 1.15.5
- (no CPE)range: < 1.15.5
- (no CPE)range: < 1.0.3-bp153.2.1
- (no CPE)range: < 3.7.2-bp153.4.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 1.0.3-bp153.2.1
- (no CPE)range: < 3.7.2-bp153.4.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- (no CPE)range: < 2.6.0-bp153.2.3.1
- Range: < 1.15.5
Patches
Vulnerability mechanics
References
7- github.com/tensorflow/tensorflow/commit/ace0c15a22f7f054abcc1f53eabbcb0a1239a9e2nvdPatchThird Party AdvisoryWEB
- github.com/tensorflow/tensorflow/security/advisories/GHSA-qhxx-j73r-qpm2nvdExploitPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-qhxx-j73r-qpm2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-26266ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2020-297.yamlghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2020-332.yamlghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2020-254.yamlghsaWEB
News mentions
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