{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "6.4.3"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cd34ed2ab2285b17ff3336ab566b9322d08d06ba"
            },
            {
              "fixed": "fb3195bbb6d0d6fe71a7a19585c008623c217f9e"
            }
          ],
          "repo": "https://github.com/eclipse-threadx/netxduo",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-chhp-gmxc-46rq"
  ],
  "details": "In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before \nversion 6.4.3, an attacker can cause an integer underflow and a \nsubsequent denial of service by writing a very large file, by specially \ncrafted packets with Content-Length in one packet smaller than the data \nrequest size of the other packet. A possible workaround is to disable \nHTTP PUT support.\n\n\n\n\nThis issue follows an incomplete fix of CVE-2025-0727",
  "id": "CVE-2025-2259",
  "modified": "2026-04-01T23:09:38.488959997Z",
  "published": "2025-04-06T19:15:41.020Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2104"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-chhp-gmxc-46rq"
    },
    {
      "type": "FIX",
      "url": "https://github.com/eclipse-threadx/netxduo/commit/fb3195bbb6d0d6fe71a7a19585c008623c217f9e"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}