Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-11230

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/11/2025
Last modified:
19/12/2025

Description

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

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:haproxy:aloha_appliance:*:*:*:*:*:*:*:* 14.5.0 (including) 14.5.33 (excluding)
cpe:2.3:a:haproxy:aloha_appliance:*:*:*:*:*:*:*:* 15.5.0 (including) 15.5.28 (excluding)
cpe:2.3:a:haproxy:aloha_appliance:*:*:*:*:*:*:*:* 16.5.0 (including) 16.5.19 (excluding)
cpe:2.3:a:haproxy:aloha_appliance:*:*:*:*:*:*:*:* 17.0.0 (including) 17.0.7 (excluding)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* 2.4.0 (including) 2.4.30 (excluding)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* 2.6.0 (including) 2.6.23 (excluding)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* 2.8.0 (including) 2.8.16 (excluding)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* 3.0.0 (including) 3.0.12 (excluding)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* 3.1.0 (including) 3.1.9 (excluding)
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* 3.2.0 (including) 3.2.6 (excluding)
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-253.271:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-254.271:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-259.342:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-263.343:*:*:*:*:*:*
cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1:1.0.0-264.356:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools