Hi,

The following vulnerability was published for onnx.

CVE-2026-44512[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-44512
https://www.cve.org/CVERecord?id=CVE-2026-44512
[1] https://github.com/onnx/onnx/security/advisories/GHSA-hwpq-hmq9-wj77
[2] https://github.com/onnx/onnx/pull/7813

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore