CVE-2025-11230 Affecting haproxy package, versions <0:2.8.14-1.el9_7.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.69% (50th percentile)

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  • Snyk IDSNYK-ALMALINUX9-HAPROXY-14067987
  • published20 Nov 2025
  • disclosed18 Nov 2025

Introduced: 18 Nov 2025

CVE-2025-11230  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 haproxy to version 0:2.8.14-1.el9_7.1 or higher.
This issue was patched in ALSA-2025:21693.

NVD Description

Note: Versions mentioned in the description apply only to the upstream haproxy package and not the haproxy package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

CVSS Base Scores

version 3.1