CVE-2025-32387 MEDIUM

CVE-2025-32387: Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow

Vendor Helm
Product helm
Weakness CWE-121
Published April 9, 2025
Last update April 10, 2025
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Helm is a package manager for Charts for Kubernetes. A JSON Schema file within a chart can be crafted with a deeply nested chain of references, leading to parser recursion that can exceed the stack size limit and trigger a stack overflow. This issue has been resolved in Helm v3.17.3.

Key dates

02Disclosure timeline

April 9, 2025 CVE published
April 10, 2025 Record updated