Out-of-bounds Read Affecting onnx/onnx package, versions [1.3.0,1.22.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published26 Jul 2026
- disclosed24 Jul 2026
- creditMinicoAI
Introduced: 24 Jul 2026
CVE-2026-63632 (opens in a new tab)How to fix?
Upgrade onnx/onnx to version 1.22.0 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read in the adapt_gemm_7_6 function when processing input tensors with fewer than two dimensions. An attacker can cause a crash or potentially leak adjacent heap memory by providing a specially crafted model file with undersized input shapes to the version conversion process.