Vulnerability from bitnami_vulndb
Published
2025-12-20 11:38
Modified
2025-12-20 12:06
Summary
Denial of service vulnerability in HAProxy mjson library
Details

Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.

To clipboard Create KEV Entry 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "haproxy",
        "purl": "pkg:bitnami/haproxy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.4.0"
            },
            {
              "fixed": "2.4.30"
            },
            {
              "introduced": "2.6.0"
            },
            {
              "fixed": "2.6.23"
            },
            {
              "introduced": "2.8.0"
            },
            {
              "fixed": "2.8.16"
            },
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.0.12"
            },
            {
              "introduced": "3.1.0"
            },
            {
              "fixed": "3.1.9"
            },
            {
              "introduced": "3.2.0"
            },
            {
              "fixed": "3.2.6"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-11230"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*"
    ],
    "severity": "High"
  },
  "details": "Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.",
  "id": "BIT-haproxy-2025-11230",
  "modified": "2025-12-20T12:06:39.262Z",
  "published": "2025-12-20T11:38:08.173Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-11230"
    },
    {
      "type": "WEB",
      "url": "https://www.haproxy.com/blog/october-2025-cve-2025-11230-haproxy-mjson-library-denial-of-service-vulnerability"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Denial of service vulnerability in HAProxy mjson library"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.