{
  "cveId": "CVE-2023-3223",
  "url": "https://patchblox.com/security/cve/CVE-2023-3223",
  "summary": "CVE-2023-3223 is fixed in undertow on 1 platform by DEBIAN-CVE-2023-3223 (version 2.3.18-1), released September 27, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "undertow: A flaw was found in undertow",
  "description": "A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit the file size, it\u0027s possible to bypass the limit by setting the file name in the request to null.",
  "published": "2023-09-27T15:18:56Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.02659,
  "epssPercentile": 0.85779,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "undertow",
      "release": "Debian 14",
      "fixedVersion": "2.3.18-1",
      "fix": "DEBIAN-CVE-2023-3223",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-3223",
      "released": "2023-09-27T15:18:56Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}