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CVE-2026-44512

ONNX: Null Pointer Dereference in Upsample Version Converter Adapter (Zero Inputs) PUBLISHED

Description (CNA)

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. From 1.9.0 before 1.22.0, onnx.version_converter.convert_version() can dereference a null pointer in Upsample_6_7::adapt_upsample_6_7() in onnx/version_converter/adapters/upsample_6_7.h when processing an untrusted model with an Upsample node that has zero inputs, causing an unrecoverable denial of service. This issue is fixed in version 1.22.0.

Affected (CNA)

Vendor / productVersions
onnx / onnxaffected >= 1.9.0, < 1.22.0

CWE

CWE-476

References

ADP enrichment

CISA-ADP

No English description supplied.