{
  "cveId": "CVE-2021-41816",
  "url": "https://patchblox.com/security/cve/CVE-2021-41816",
  "summary": "CVE-2021-41816 is fixed in 4 products on 1 platform, first by libruby2.7 2.7.0-5ubuntu1.6, released December 31, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ruby2.7: ruby2.7 - security update",
  "description": "ruby2.7 - security update",
  "published": "2021-12-01T16:00:00Z",
  "severity": "Medium",
  "epss": 0.04898,
  "epssPercentile": 0.92147,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libruby2.7",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.7.0-5ubuntu1.6",
      "fix": "libruby2.7 2.7.0-5ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libruby2.7-2.7.0-5ubuntu1.6",
      "released": "2021-12-31T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libruby3.0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.0.2-7ubuntu2",
      "fix": "libruby3.0 3.0.2-7ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libruby3.0-3.0.2-7ubuntu2",
      "released": "2021-12-31T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby2.7",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "2.7.4-1\u002Bdeb11u1",
      "fix": "DSA-5067-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5067-1",
      "released": "2022-02-03T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby2.7",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.7.0-5ubuntu1.6",
      "fix": "ruby2.7 2.7.0-5ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ruby2.7-2.7.0-5ubuntu1.6",
      "released": "2021-12-31T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "ruby3.0",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.0.2-7ubuntu2",
      "fix": "ruby3.0 3.0.2-7ubuntu2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-ruby3.0-3.0.2-7ubuntu2",
      "released": "2021-12-31T22:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}