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3.3 Low

CVE-2026-63632 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability

Description

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. From 1.3.0 until 1.22.0, onnx.version_converter.convert_version() can perform an out-of-bounds read in Gemm_7_6::adapt_gemm_7_6() in onnx/version_converter/adapters/gemm_7_6.h when a Gemm node has input tensors with fewer than two dimensions because B_shape[1], A_shape[0], or A_shape[1] is accessed without a rank check, potentially causing a process crash during an opset 7 to 6 downgrade. This issue is fixed in version 1.22.0.

Affected products and versions

Product Affected versions Fixed in
onnx 1.3 1.3.0 → < 1.22.0 1.22.0

References

Timeline

  1. Published
  2. Last modified

Other CVEs of onnx

The 14 CVEs of onnx →
CVE-2026-115922 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability 6.2 Medium CVE-2026-115921 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability 6.2 Medium CVE-2026-115920 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability 6.2 Medium CVE-2026-115919 Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability 6.2 Medium
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