{
  "fix": "php-symfony-security-http 4.3.8\u002Bdfsg-1ubuntu1\u002Besm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-php-symfony-security-http-4.3.8-dfsg-1ubuntu1-esm1",
  "summary": "php-symfony-security-http 4.3.8\u002Bdfsg-1ubuntu1\u002Besm1, released November 24, 2021, fixes 2 CVEs in php-symfony-security-http. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "php-symfony-security-http 4.3.8\u002Bdfsg-1ubuntu1\u002Besm1 for Ubuntu 20.04 LTS (focal)",
  "released": "2021-11-24T11:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 2 CVEs, none high severity",
  "supported": false,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01644,
  "maxCvss": 6.5,
  "appliesTo": [
    {
      "product": "php-symfony-security-http",
      "productUrl": "https://patchblox.com/security/product/linux/php-symfony-security-http",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "4.3.8\u002Bdfsg-1ubuntu1\u002Besm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-21424",
      "url": "https://patchblox.com/security/cve/CVE-2021-21424",
      "title": "php-symfony: Symfony is a PHP framework for web and console applications and a set of reusable PHP components",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.01644,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-41270",
      "url": "https://patchblox.com/security/cve/CVE-2021-41270",
      "title": "symfony: Symfony/Serializer handles serializing and deserializing data structures for Symfony, a PHP framework for web and con...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.014,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T08:00:37Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}