CVE-2025-32387
Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow
6.5
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
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.
How to fix CVE-2025-32387
To remediate CVE-2025-32387, upgrade the affected package to a fixed version below.
- —upgrade to 3.17.3 or later
- —upgrade to 3.17.3 or later
- —upgrade to 3.17.3 or later
Is CVE-2025-32387 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.17.3
- from 0, < 3.17.3
- from 0, < 3.17.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |