{
  "fix": "apache2-data 2.4.29-1ubuntu4.18",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-apache2-data-2.4.29-1ubuntu4.18",
  "summary": "apache2-data 2.4.29-1ubuntu4.18, released September 16, 2021, fixes 1 CVE in apache2-data. One of them is being exploited (CVE-2021-40438); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "apache2-data 2.4.29-1ubuntu4.18 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2021-09-16T08:15:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2021-40438, exploited (CISA KEV, ransomware)",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 1,
  "maxEpss": 0.99999,
  "maxCvss": 9,
  "appliesTo": [
    {
      "product": "apache2-data",
      "productUrl": "https://patchblox.com/security/product/linux/apache2-data",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.4.29-1ubuntu4.18",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-40438",
      "url": "https://patchblox.com/security/cve/CVE-2021-40438",
      "title": "mod_session: The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es...",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 9,
      "epss": 0.99999,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}