{
  "cveId": "CVE-2018-4398",
  "url": "https://patchblox.com/security/cve/CVE-2018-4398",
  "summary": "CVE-2018-4398 is fixed in iTunes on 1 platform by iTunes 12.11.4.15 (version 12.11.4.15), released August 4, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "iTunes: An issue existed in the method for determining prime numbers.",
  "description": "An issue existed in the method for determining prime numbers. This issue was addressed by using pseudorandom bases for testing of primes. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1, iCloud for Windows 7.8.",
  "published": "2019-04-03T18:29:13Z",
  "severity": "",
  "cvss": 7.5,
  "epss": 0.0163,
  "epssPercentile": 0.76327,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2018-4398",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "iTunes",
      "fixedVersion": "12.11.4.15",
      "fix": "iTunes 12.11.4.15",
      "url": "https://patchblox.com/security/fix/windows-app/apple.itunes-12.11.4.15",
      "released": "2021-08-04T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}