{
  "fix": "Python 3.14 3.14.3",
  "url": "https://patchblox.com/security/fix/windows-app/python.python.3.14-3.14.3",
  "summary": "Python 3.14 3.14.3, released February 3, 2026, fixes 5 CVEs in Python 3.14. None of them is reported as exploited. Patch Radar priority: High. The latest Python 3.14 is 3.14.10, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Python 3.14 3.14.3",
  "released": "2026-02-03T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-1299, high severity",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00616,
  "maxCvss": 8.1,
  "appliesTo": [
    {
      "product": "Python 3.14",
      "productUrl": "https://patchblox.com/security/product/windows-app/python-3.14",
      "fixedVersion": "3.14.3",
      "latestVersion": "3.14.10",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Python 3.14",
    "latestVersion": "3.14.10",
    "productUrl": "https://patchblox.com/security/product/windows-app/python-3.14"
  },
  "cves": [
    {
      "cveId": "CVE-2026-1299",
      "url": "https://patchblox.com/security/cve/CVE-2026-1299",
      "title": "email BytesGenerator header injection due to unquoted newlines",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.00573,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0865",
      "url": "https://patchblox.com/security/cve/CVE-2026-0865",
      "title": "wsgiref.headers.Headers allows header newline injection",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00554,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-15282",
      "url": "https://patchblox.com/security/cve/CVE-2025-15282",
      "title": "Header injection via newlines in data URL mediatype",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00537,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-0672",
      "url": "https://patchblox.com/security/cve/CVE-2026-0672",
      "title": "Header injection in http.cookies.Morsel",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.0048,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-11468",
      "url": "https://patchblox.com/security/cve/CVE-2025-11468",
      "title": "Folding email comments of unfoldable characters doesn\u0027t preserve parenthesis",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.7,
      "epss": 0.00616,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}