{"id":"CVE-2023-25662","aliases":["BIT-tensorflow-2023-25662","GHSA-7jvm-xxmr-v5cw","PYSEC-2026-1958","PYSEC-2026-3130","PYSEC-2026-3293"],"url":"https://o3.security/vulnerability/CVE-2023-25662","summary":"TensorFlow vulnerable to integer overflow in EditDistance","details":"### Impact\nTFversion 2.11.0 //tensorflow/core/ops/array_ops.cc:1067 const Tensor* hypothesis_shape_t = c->input_tensor(2); std::vector<DimensionHandle> dims(hypothesis_shape_t->NumElements() - 1); for (int i = 0; i < dims.size(); ++i) { dims[i] = c->MakeDim(std::max(h_values(i), t_values(i))); }\n\nif hypothesis_shape_t is empty, hypothesis_shape_t->NumElements() - 1 will be integer overflow, and the it will deadlock\n```python\nimport tensorflow as tf\npara={\n    'hypothesis_indices': [[]],\n    'hypothesis_values': ['tmp/'],\n    'hypothesis_shape': [],\n    'truth_indices': [[]],\n    'truth_values': [''],\n    'truth_shape': [],\n    'normalize': False\n    }\ntf.raw_ops.EditDistance(**para)\n```\n\n### Patches\nWe have patched the issue in GitHub commit [08b8e18643d6dcde00890733b270ff8d9960c56c](https://github.com/tensorflow/tensorflow/commit/08b8e18643d6dcde00890733b270ff8d9960c56c).\n\nThe fix will be included in TensorFlow 2.12.0. We will also cherrypick this commit on TensorFlow 2.11.1\n\n\n### For more information\nPlease consult [our security guide](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions.\n\n\n### Attribution\nThis vulnerability has been reported by r3pwnx","published":"2023-03-24T23:41:15.425Z","modified":"2026-08-12T14:50:37.423883Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"tensorflow","fixedVersion":"2.11.1"},{"ecosystem":"PyPI","name":"tensorflow-cpu","fixedVersion":"2.11.1"},{"ecosystem":"PyPI","name":"tensorflow-gpu","fixedVersion":"2.11.1"}],"fix":{"url":"https://github.com/tensorflow/tensorflow/commit/08b8e18643d6dcde00890733b270ff8d9960c56c","label":"tensorflow/tensorflow@08b8e18"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25662.json"},{"type":"ADVISORY","url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-7jvm-xxmr-v5cw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25662"},{"type":"FIX","url":"https://github.com/tensorflow/tensorflow/commit/08b8e18643d6dcde00890733b270ff8d9960c56c"},{"type":"PACKAGE","url":"https://github.com/tensorflow/tensorflow"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T14:50:37.423883Z"}}