{
  "cveId": "CVE-2021-40529",
  "url": "https://patchblox.com/security/cve/CVE-2021-40529",
  "summary": "CVE-2021-40529 is fixed in Mozilla Thunderbird (en-US) on 1 platform by Mozilla Thunderbird (en-US) 102.0 (version 102.0), released June 29, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Mozilla Thunderbird and 1 other: The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows\u2026",
  "description": "The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver\u0027s public key, the generator defined by the receiver\u0027s public key, and the sender\u0027s ephemeral exponents can lead to a cross-configuration attack against OpenPGP.",
  "published": "2021-09-06T19:15:07Z",
  "severity": "",
  "cvss": 5.9,
  "epss": 0.01532,
  "epssPercentile": 0.7493,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2021-40529",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Thunderbird (en-US)",
      "fixedVersion": "102.0",
      "fix": "Mozilla Thunderbird (en-US) 102.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-102.0",
      "released": "2022-06-29T00:00:00Z"
    }
  ],
  "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"
  }
}