CVE-2025-11230

Denial of service vulnerability in HAProxy mjson library

State
Published
Severity
7.5 High
Published
Nov 19, 2025
Updated
Nov 19, 2025
Reserved
Oct 1, 2025

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hcanonical

Weaknesses

  • CWE-407 Inefficient Algorithmic Complexity

Affected Products

ProductVersions
HAProxy Community EditionHAProxy Technologies
  • 2.4.0 to before 2.4.30Affected
  • 2.6.0 to before 2.6.23Affected
  • 2.8.0 to before 2.8.16Affected
  • 3.0.0 to before 3.0.12Affected
  • 3.1.0 to before 3.1.9Affected
  • 3.2.0 to before 3.2.6Affected

References

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