CVE Explorer
CVE-2026-44512
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"onnx","vendor":"onnx","versions":[{"status":"affected","version":">= 1.9.0, < 1.22.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"name":"https://github.com/onnx/onnx/commit/cd310408165ad47c3cd7eb2b86cb5b80aa2e4fdf","tags":["x_refsource_MISC"],"url":"https://github.com/onnx/onnx/commit/cd310408165ad47c3cd7eb2b86cb5b80aa2e4fdf"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/references/2
{"name":"https://github.com/onnx/onnx/pull/7813","tags":["x_refsource_MISC"],"url":"https://github.com/onnx/onnx/pull/7813"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/references/1
{"name":"https://github.com/onnx/onnx/releases/tag/v1.22.0","tags":["x_refsource_MISC"],"url":"https://github.com/onnx/onnx/releases/tag/v1.22.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/onnx/onnx/security/advisories/GHSA-hwpq-hmq9-wj77"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/adp/0/references/0
{"name":"https://github.com/onnx/onnx/security/advisories/GHSA-hwpq-hmq9-wj77","tags":["x_refsource_CONFIRM"],"url":"https://github.com/onnx/onnx/security/advisories/GHSA-hwpq-hmq9-wj77"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:12f960b21e7254b86250b0ebe0255c785c3c122c6e4a33ea2764c3ad8a8605c1 · sha256:885d60cf5c4c1ecd… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.