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Description

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

PUBLISHED Reserved 2025-10-01 | Published 2025-11-19 | Updated 2025-11-19 | Assigner canonical




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-407 Inefficient Algorithmic Complexity

Product status

Default status
unaffected

2.4.0 (semver) before 2.4.30
affected

2.6.0 (semver) before 2.6.23
affected

2.8.0 (semver) before 2.8.16
affected

3.0.0 (semver) before 3.0.12
affected

3.1.0 (semver) before 3.1.9
affected

3.2.0 (semver) before 3.2.6
affected

References

www.haproxy.com/...n-library-denial-of-service-vulnerability

cve.org (CVE-2025-11230)

nvd.nist.gov (CVE-2025-11230)

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