onnx up to 1.21.x onnxruntime onnx/defs/nn/old.cc convPoolShapeInference_opset19 out-of-bounds

Summaryinfo

A vulnerability categorized as problematic has been discovered in onnx up to 1.21.x. This issue affects the function convPoolShapeInference_opset19 of the file onnx/defs/nn/old.cc of the component onnxruntime. Such manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2026-14647. It is possible to launch the attack remotely. Furthermore, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in onnx up to 1.21.x and classified as problematic. Affected by this issue is the function convPoolShapeInference_opset19 of the file onnx/defs/nn/old.cc of the component onnxruntime. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-14647. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch a7bf3a0f1d18bb62575236ef6e4944980c40e045 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• onnx

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21

License

• open-source

Website

• Product: https://github.com/onnx/onnx/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #846317: onnx unpatched (HEAD); via onnxruntime 1.22.0 bundle Out-of-Bounds Read (by m00dy)

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