---
id: CVE-2024-27319
aliases:
  - GHSA-h8wv-9h96-m4hr
  - PYSEC-2024-223
title: Onnx Out-of-bounds Read vulnerability
summary: Onnx Out-of-bounds Read vulnerability
severity: medium
cvss: 4.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L'
vendor: onnx
product: onnx
ecosystem: pip
affected:
  - onnx < 1.16.0
patched:
  - onnx 1.16.0
published: '2024-02-23'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:50:06.178406112Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-h8wv-9h96-m4hr'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2024-27319'
  - url: >-
      https://github.com/onnx/onnx/commit/08a399ba75a805b7813ab8936b91d0e274b08287
  - url: 'https://github.com/onnx/onnx'
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/onnx/PYSEC-2024-223.yaml
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGTBH5ZYL2LGYHIJDHN2MAUURIR5E7PY
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TFJJID2IZDOLFDMWVYTBDI75ZJQC6JOL
tags:
  - osv
  - pip
epss: 0.00589
epssPercentile: 0.45798
ingestedAt: '2026-09-12T03:13:01.699Z'
---

## Overview

Versions of the package onnx before and including 1.15.0 are vulnerable to Out-of-bounds Read as the ONNX_ASSERT and ONNX_ASSERTM functions have an off by one string copy.

## Affected packages

- `onnx < 1.16.0`

## Remediation

Upgrade to a patched release:

- `onnx 1.16.0`