{
  "fix": "puma 3.12.4-1ubuntu2\u002Besm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-puma-3.12.4-1ubuntu2-esm1",
  "summary": "puma 3.12.4-1ubuntu2\u002Besm1, released January 8, 2024, fixes 6 CVEs in puma. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "puma 3.12.4-1ubuntu2\u002Besm1 for Ubuntu 20.04 LTS (focal)",
  "released": "2024-01-08T06:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2022-24790, high severity",
  "supported": false,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.04088,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "puma",
      "productUrl": "https://patchblox.com/security/product/linux/puma",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.12.4-1ubuntu2\u002Besm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-24790",
      "url": "https://patchblox.com/security/cve/CVE-2022-24790",
      "title": "puma: Puma is a simple, fast, multi-threaded, parallel HTTP 1.1 server for Ruby/Rack applications",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.02191,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-21647",
      "url": "https://patchblox.com/security/cve/CVE-2024-21647",
      "title": "rubygem-puma: unbounded resource consumption due to invalid parsing of chunked encoding in HTTP/1.1 can lead to",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00958,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-40175",
      "url": "https://patchblox.com/security/cve/CVE-2023-40175",
      "title": "puma: Puma is a Ruby/Rack web server built for parallelism",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00847,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11076",
      "url": "https://patchblox.com/security/cve/CVE-2020-11076",
      "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...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04088,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11077",
      "url": "https://patchblox.com/security/cve/CVE-2020-11077",
      "title": "puma: In Puma (RubyGem) before 4.3.5 and 3.12.6, a client could smuggle a request through a proxy, causing the proxy to sen...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02877,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-23634",
      "url": "https://patchblox.com/security/cve/CVE-2022-23634",
      "title": "puma: Puma is a Ruby/Rack web server built for parallelism",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.9,
      "epss": 0.02107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T14:02:24Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}