{
  "cveId": "CVE-2021-43666",
  "url": "https://patchblox.com/security/cve/CVE-2021-43666",
  "summary": "CVE-2021-43666 is fixed in mbedtls on 1 platform, first by DEBIAN-CVE-2021-43666, released March 24, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "mbedtls: A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when...",
  "description": "A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when an input password\u0027s length is 0.",
  "published": "2022-03-24T18:15:08Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.02068,
  "epssPercentile": 0.81534,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mbedtls",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.28.0-1",
      "fix": "DEBIAN-CVE-2021-43666",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43666",
      "released": "2022-03-24T18:15:08Z"
    },
    {
      "platform": "linux",
      "product": "mbedtls",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.28.0-1",
      "fix": "DEBIAN-CVE-2021-43666",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43666",
      "released": "2022-03-24T18:15:08Z"
    },
    {
      "platform": "linux",
      "product": "mbedtls",
      "release": "Debian 14",
      "fixedVersion": "2.28.0-1",
      "fix": "DEBIAN-CVE-2021-43666",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-43666",
      "released": "2022-03-24T18:15:08Z"
    }
  ],
  "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"
  }
}