CVE-2026-14647

onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-bounds

State: Published
Severity: 5.3 Medium
Published: Jul 4, 2026
Updated: Jul 6, 2026
Reserved: Jul 3, 2026

Description

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 possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Patch name: a7bf3a0f1d18bb62575236ef6e4944980c40e045. It is recommended to apply a patch to fix this issue.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-125 Out-of-Bounds Read
CWE-119 Memory Corruption

Affected Products

Product	Versions
onnxn/a	1.0Affected 1.1Affected 1.2Affected 1.3Affected 1.4Affected 1.5Affected 1.6Affected 1.7Affected 1.8Affected 1.9Affected 1.10Affected 1.11Affected 1.12Affected 1.13Affected 1.14Affected 1.15Affected 1.16Affected 1.17Affected 1.18Affected 1.19Affected 1.20Affected 1.21Affected

References

VDB-376160 | onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-boundsvdb-entrytechnical-description
VDB-376160 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-14647 | CVE Analysis and Reportthird-party-advisory
Submit #846317 | onnx unpatched (HEAD); via onnxruntime 1.22.0 bundle Out-of-Bounds Readthird-party-advisory
https://github.com/onnx/onnx/issues/8036exploitissue-tracking
https://github.com/onnx/onnx/pull/8051issue-trackingpatch
https://github.com/onnx/onnx/commit/a7bf3a0f1d18bb62575236ef6e4944980c40e045patch
https://github.com/onnx/onnx/product

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