{
  "cveId": "CVE-2021-33587",
  "url": "https://patchblox.com/security/cve/CVE-2021-33587",
  "summary": "CVE-2021-33587 is fixed in node-css-what on 1 platform, first by node-css-what 2.1.0-1\u002Bdeb10u1build0.18.04.1, released September 29, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "node-css-what: The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexit...",
  "description": "The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.",
  "published": "2021-05-28T13:15:00Z",
  "severity": "Medium",
  "epss": 0.02036,
  "epssPercentile": 0.81211,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "node-css-what",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.1.0-1\u002Bdeb10u1build0.18.04.1",
      "fix": "node-css-what 2.1.0-1\u002Bdeb10u1build0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-node-css-what-2.1.0-1-deb10u1build0.18.04.1",
      "released": "2022-09-29T22:15:00Z"
    },
    {
      "platform": "linux",
      "product": "node-css-what",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.1-1ubuntu0.1~esm1",
      "fix": "node-css-what 3.2.1-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-node-css-what-3.2.1-1ubuntu0.1-esm1",
      "released": "2022-09-29T22:15:00Z"
    }
  ],
  "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"
  }
}