CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-11230

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

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 35.0%

CVSS Severity

CVSS v3 Score 7.5

References

https://www.haproxy.com/blog/october-2025-cve-2025-11230-haproxy-mjson-library-denial-of-service-vulnerability

Products affected by CVE-2025-11230

Haproxy » Aloha Appliance » Version: Any

cpe:2.3:a:haproxy:aloha_appliance:*
Haproxy » Haproxy » Version: Any

cpe:2.3:a:haproxy:haproxy:*
Haproxy » Haproxy » Version: 2.4.0

cpe:2.3:a:haproxy:haproxy:2.4.0
Haproxy » Haproxy » Version: 2.4.1

cpe:2.3:a:haproxy:haproxy:2.4.1
Haproxy » Haproxy » Version: 2.4.10

cpe:2.3:a:haproxy:haproxy:2.4.10
Haproxy » Haproxy » Version: 2.4.11

cpe:2.3:a:haproxy:haproxy:2.4.11
Haproxy » Haproxy » Version: 2.4.12

cpe:2.3:a:haproxy:haproxy:2.4.12
Haproxy » Haproxy » Version: 2.4.13

cpe:2.3:a:haproxy:haproxy:2.4.13
Haproxy » Haproxy » Version: 2.4.14

cpe:2.3:a:haproxy:haproxy:2.4.14
Haproxy » Haproxy » Version: 2.4.15

cpe:2.3:a:haproxy:haproxy:2.4.15
Haproxy » Haproxy » Version: 2.4.16

cpe:2.3:a:haproxy:haproxy:2.4.16
Haproxy » Haproxy » Version: 2.4.17

cpe:2.3:a:haproxy:haproxy:2.4.17
Haproxy » Haproxy » Version: 2.4.18

cpe:2.3:a:haproxy:haproxy:2.4.18
Haproxy » Haproxy » Version: 2.4.19

cpe:2.3:a:haproxy:haproxy:2.4.19
Haproxy » Haproxy » Version: 2.4.2

cpe:2.3:a:haproxy:haproxy:2.4.2
Haproxy » Haproxy » Version: 2.4.20

cpe:2.3:a:haproxy:haproxy:2.4.20
Haproxy » Haproxy » Version: 2.4.21

cpe:2.3:a:haproxy:haproxy:2.4.21
Haproxy » Haproxy » Version: 2.4.22

cpe:2.3:a:haproxy:haproxy:2.4.22
Haproxy » Haproxy » Version: 2.4.23

cpe:2.3:a:haproxy:haproxy:2.4.23
Haproxy » Haproxy » Version: 2.4.3

cpe:2.3:a:haproxy:haproxy:2.4.3
Haproxy » Haproxy » Version: 2.4.4

cpe:2.3:a:haproxy:haproxy:2.4.4
Haproxy » Haproxy » Version: 2.4.5

cpe:2.3:a:haproxy:haproxy:2.4.5
Haproxy » Haproxy » Version: 2.4.6

cpe:2.3:a:haproxy:haproxy:2.4.6
Haproxy » Haproxy » Version: 2.4.7

cpe:2.3:a:haproxy:haproxy:2.4.7
Haproxy » Haproxy » Version: 2.4.8

cpe:2.3:a:haproxy:haproxy:2.4.8
Haproxy » Haproxy » Version: 2.4.9

cpe:2.3:a:haproxy:haproxy:2.4.9
Haproxy » Haproxy » Version: 2.6.0

cpe:2.3:a:haproxy:haproxy:2.6.0
Haproxy » Haproxy » Version: 2.6.1

cpe:2.3:a:haproxy:haproxy:2.6.1
Haproxy » Haproxy » Version: 2.6.15

cpe:2.3:a:haproxy:haproxy:2.6.15
Haproxy » Haproxy » Version: 2.6.2

cpe:2.3:a:haproxy:haproxy:2.6.2
Haproxy » Haproxy » Version: 2.6.3

cpe:2.3:a:haproxy:haproxy:2.6.3
Haproxy » Haproxy » Version: 2.6.4

cpe:2.3:a:haproxy:haproxy:2.6.4
Haproxy » Haproxy » Version: 2.6.5

cpe:2.3:a:haproxy:haproxy:2.6.5
Haproxy » Haproxy » Version: 2.6.6

cpe:2.3:a:haproxy:haproxy:2.6.6
Haproxy » Haproxy » Version: 2.6.7

cpe:2.3:a:haproxy:haproxy:2.6.7
Haproxy » Haproxy » Version: 2.6.8

cpe:2.3:a:haproxy:haproxy:2.6.8
Haproxy » Haproxy » Version: 2.6.9

cpe:2.3:a:haproxy:haproxy:2.6.9
Haproxy » Haproxy » Version: 2.8.0

cpe:2.3:a:haproxy:haproxy:2.8.0
Haproxy » Haproxy » Version: 2.8.2

cpe:2.3:a:haproxy:haproxy:2.8.2
Haproxy » Haproxy » Version: 3.0.0

cpe:2.3:a:haproxy:haproxy:3.0.0
Haproxy » Haproxy » Version: 3.0.1

cpe:2.3:a:haproxy:haproxy:3.0.1
Haproxy » Haproxy » Version: 3.0.2

cpe:2.3:a:haproxy:haproxy:3.0.2
Haproxy » Haproxy » Version: 3.0.3

cpe:2.3:a:haproxy:haproxy:3.0.3
Haproxy » Haproxy » Version: 3.0.4

cpe:2.3:a:haproxy:haproxy:3.0.4
Haproxy » Haproxy Enterprise » Version: 2.4r1

cpe:2.3:a:haproxy:haproxy_enterprise:2.4r1
Haproxy » Haproxy Enterprise » Version: 2.6r1

cpe:2.3:a:haproxy:haproxy_enterprise:2.6r1
Haproxy » Haproxy Enterprise » Version: 2.8r1

cpe:2.3:a:haproxy:haproxy_enterprise:2.8r1
Haproxy » Haproxy Enterprise » Version: 3.0r1

cpe:2.3:a:haproxy:haproxy_enterprise:3.0r1
Haproxy » Haproxy Enterprise » Version: 3.1r1

cpe:2.3:a:haproxy:haproxy_enterprise:3.1r1
Haproxy » Kubernetes Ingress Controller » Version: Any

cpe:2.3:a:haproxy:kubernetes_ingress_controller:*

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-11230

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