A flaw was found in haproxy. A stemming from an inefficient algorithmic complexity issue within its bundled mjson parsing library. This vulnerability is triggered when haproxy is configured to analyze JSON content, such as with the json_query or jwt_payload_query function
Advisories
Source ID Title
Debian DSA Debian DSA DSA-6017-1 haproxy security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 07 Nov 2025 00:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in haproxy. A stemming from an inefficient algorithmic complexity issue within its bundled mjson parsing library. This vulnerability is triggered when haproxy is configured to analyze JSON content, such as with the json_query or jwt_payload_query function
Title haproxy: denial of service vulnerability in HAProxy mjson library
Weaknesses CWE-407
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Important


cve-icon MITRE

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cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

Severity : Important

Publid Date: 2025-10-03T00:00:00Z

Links: CVE-2025-11230 - Bugzilla

cve-icon OpenCVE Enrichment

No data.