CVE-2025-11230 - CVE House
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Status published High CVE-2025-11230

Denial of service vulnerability in HAProxy mjson library

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from HAProxy Technologies

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CVE-2023-25950
HTTP request/response smuggling vulnerability in HAProxy version 2.7.0, and 2.6.1...
Unknown 0

Affected Vendor

HAProxy Technologies

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Affected Software

HAProxy Community Edition
Vulnerable Versions:
2.4.0, 2.6.0, 2.8.0, 3.0.0, 3.1.0, 3.2.0

Timeline

Official Publish: November 19th, 2025
Last Modified: November 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-407

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.