CVE-2025-11230
haproxy - security update
7.5
HIGH
CVSS 3.1
EPSS 0.47%
Description
Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests.
How to fix CVE-2025-11230
To remediate CVE-2025-11230, upgrade the affected package to a fixed version below.
- Bitnami/haproxy—upgrade to 2.4.30 or later
- Debian/haproxy—upgrade to 2.6.12-1+deb12u3 or later
- —upgrade to 2.6.12-1+deb12u3 or later
Is CVE-2025-11230 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 2.4.0, < 2.4.30, >= 2.6.0, < 2.6.23, >= 2.8.0, < 2.8.16, >= 3.0.0, < 3.0.12, >= 3.1.0, < 3.1.9, >= 3.2.0, < 3.2.6
- from 0, < 2.6.12-1+deb12u3
- from 0, < 2.6.12-1+deb12u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |