{
  "cveId": "CVE-2021-21772",
  "url": "https://patchblox.com/security/cve/CVE-2021-21772",
  "summary": "CVE-2021-21772 is fixed in lib3mf1 on 1 platform by lib3mf1 1.8.1\u002Bds-3ubuntu0.2 (version 1.8.1\u002Bds-3ubuntu0.2), released March 10, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "lib3mf1: A use-after-free vulnerability exists in the NMR::COpcPackageReader::releaseZIP() functionality of 3MF Consortium lib...",
  "description": "A use-after-free vulnerability exists in the NMR::COpcPackageReader::releaseZIP() functionality of 3MF Consortium lib3mf 2.0.0. A specially crafted 3MF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.",
  "published": "2021-03-10T09:15:00Z",
  "severity": "Medium",
  "epss": 0.0417,
  "epssPercentile": 0.90956,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "lib3mf1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.8.1\u002Bds-3ubuntu0.2",
      "fix": "lib3mf1 1.8.1\u002Bds-3ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-lib3mf1-1.8.1-ds-3ubuntu0.2",
      "released": "2021-03-10T09:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}