CVE-2026-44512
Medium · 5.5CVSS
5.5
EPSS
0.2%
Published
Jul 8, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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