CVE-2025-11230

HIGH
2025-11-19 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch Released
Apr 05, 2026 - 02:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 19:23 vuln.today
CVE Published
Nov 19, 2025 - 10:15 nvd
HIGH 7.5

Tags

Denial Of Service Aloha Appliance Haproxy Haproxy Enterprise Kubernetes Ingress Controller Redhat Suse

Description

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

Analysis

Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified under CWE-407. Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a denial of service via specially crafted JSON requests. Affected products include: Haproxy Aloha Appliance, Haproxy, Haproxy Haproxy Enterprise, Haproxy Kubernetes Ingress Controller.

Affected Products

Haproxy Aloha Appliance, Haproxy, Haproxy Haproxy Enterprise, Haproxy Kubernetes Ingress Controller.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.4
CVSS: +38
POC: 0

Vendor Status

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CVE-2025-11230 vulnerability details – vuln.today
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