CVE-2026-14647: onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-bounds

Published Jul 4, 2026
·
Updated

A weakness has been identified in onnx up to 1.21.x. This vulnerability affects the function convPoolShapeInferenceopset19 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.

Other sources

onnx onnxruntime old.cc convPoolShapeInferenceopset19 out-of-bounds

Microsoft

Affected Software

2 affected componentsFixes available
onnx onnxruntime<=1.21.x
Microsoft azl3 pytorch 2.2.2-16<2.2.2-16
2.2.2-16

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.2.2-16
  2. Upgrade

    Upgrade onnxruntime to a version that resolves this vulnerability.

    Patch a7bf3a0f1d18bb62575236ef6e4944980c40e045

Event History

Jul 4, 2026
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeakness
Jul 7, 2026
Data Sourced
via Microsoft·08:01 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:01 AM
Affected Software
Updated
via Microsoft·08:01 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2026-14647?

The severity of CVE-2026-14647 is classified as medium with a score of 4.3.

2

How do I fix CVE-2026-14647?

To fix CVE-2026-14647, upgrade to the latest version of onnxruntime that addresses this vulnerability.

3

What component is affected by CVE-2026-14647?

CVE-2026-14647 affects the onnxruntime component, specifically the convPoolShapeInference_opset19 function.

4

What type of vulnerability is CVE-2026-14647?

CVE-2026-14647 is classified as a buffer overflow vulnerability.

5

Can CVE-2026-14647 be exploited remotely?

Yes, CVE-2026-14647 can be exploited remotely.

Contact

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