{
  "cveId": "CVE-2020-11076",
  "url": "https://patchblox.com/security/cve/CVE-2020-11076",
  "summary": "CVE-2020-11076 is fixed in puma on 1 platform by puma 3.12.4-1ubuntu2\u002Besm1 (version 3.12.4-1ubuntu2\u002Besm1), released January 8, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "puma: In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-e...",
  "description": "In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.",
  "published": "2020-05-22T08:15:00Z",
  "severity": "Medium",
  "epss": 0.04088,
  "epssPercentile": 0.90788,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "puma",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.12.4-1ubuntu2\u002Besm1",
      "fix": "puma 3.12.4-1ubuntu2\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-puma-3.12.4-1ubuntu2-esm1",
      "released": "2024-01-08T06:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}