CVE-2025-11230

7.5 HIGH

Published: November 19, 2025 Modified: December 19, 2025

Description

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

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0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: security@ubuntu.com

Vendor Advisory

1 reference(s) from NVD

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.2%

43th percentile

Exploitation Status

Not in CISA KEV

CWE-407

haproxy