{
  "cveId": "CVE-2021-41496",
  "url": "https://patchblox.com/security/cve/CVE-2021-41496",
  "summary": "CVE-2021-41496 is fixed in python3-numpy on 1 platform, first by python3-numpy 1:1.17.4-5ubuntu3.1, released December 17, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "python3-numpy: Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy \u0026lt; 1.19, which allows attackers to con...",
  "description": "Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy \u0026lt; 1.19, which allows attackers to conduct a Denial of Service attacks by carefully constructing an array with negative values. NOTE: The vendor does not agree this is a vulnerability; the negative dimensions can only be created by an already privileged user (or internally)",
  "published": "2021-12-17T12:15:00Z",
  "severity": "Medium",
  "epss": 0.00396,
  "epssPercentile": 0.34038,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "python3-numpy",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:1.17.4-5ubuntu3.1",
      "fix": "python3-numpy 1:1.17.4-5ubuntu3.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python3-numpy-1-1.17.4-5ubuntu3.1",
      "released": "2021-12-17T12:15:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-numpy",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:1.21.5-1ubuntu22.04.1",
      "fix": "python3-numpy 1:1.21.5-1ubuntu22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-python3-numpy-1-1.21.5-1ubuntu22.04.1",
      "released": "2021-12-17T12:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}