Buffer overflow in Onnx
CVE-2026-14647
A weakness has been identified in onnx up to 1.21.x. This vulnerability affects the function convPoolShapeInference_opset19 of the file onnx/defs/nn/old.cc of the component onnxruntime. This manipulation causes out-of-bounds read. It is po…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- N/a Onnx — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- cna@vuldb.com (product)
- cna@vuldb.com (patch)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-14647?
- CVE-2026-14647 is a medium-severity vulnerability in Onnx, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2026-07-04.
- How severe is CVE-2026-14647?
- Medium severity. CVSS v3 base score is 4.3 out of 10.