CVE-2021-41203

TensorFlow is an open source platform for machine learning. In affected versions an attacker can trigger undefined behavior, integer overflows, segfaults and `CHECK`-fail crashes if they can change saved checkpoints from outside of TensorFlow. This is because the checkpoints loading infrastructure is missing validation for invalid file formats. The fixes will be included in TensorFlow 2.7.0. We will also cherrypick these commits on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.

• CWE-345
• CWE-190

• https://github.com/tensorflow/tensorflow/commit/368af875869a204b4ac552b9ddda59f6a46a56ecPatch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/abcced051cb1bd8fb05046ac3b6023a7ebcc4578Patch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/b619c6f865715ca3b15ef1842b5b95edbaa710adPatch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/e8dc63704c88007ee4713076605c90188d66f3d2Patch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/security/advisories/GHSA-7pxj-m4jf-r6h2Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/368af875869a204b4ac552b9ddda59f6a46a56ecPatch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/abcced051cb1bd8fb05046ac3b6023a7ebcc4578Patch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/b619c6f865715ca3b15ef1842b5b95edbaa710adPatch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/commit/e8dc63704c88007ee4713076605c90188d66f3d2Patch, Third Party Advisory
• https://github.com/tensorflow/tensorflow/security/advisories/GHSA-7pxj-m4jf-r6h2Third Party Advisory

Published

Nov 5, 2021

Last Modified

Jun 17, 2026

Status

Modified

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