Denial of service vulnerability in HAProxy mjson library (HAProxy Technologies HAProxy Community Edition)

CVE-2025-11230
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 0.74 % · percentile 55 ()
State
PUBLISHED
Published
Updated
Assigner
canonical
NVD status
Analyzed

Description

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

Weaknesses (CWE)

  • CWE-407 — Inefficient Algorithmic Complexity

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hcanonical
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · security@ubuntu.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
HAProxy Technologies · HAProxy Community Editionaffected 2.4.0 < 2.4.30 ; affected 2.6.0 < 2.6.23 ; affected 2.8.0 < 2.8.16 ; affected 3.0.0 < 3.0.12 ; affected 3.1.0 < 3.1.9 ; affected 3.2.0 < 3.2.6

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD