VulnerabilityAnalyzed

CVE-2025-32387

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.

MEDIUM 6.5EPSS 0.48%

Does this matter?

Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.48% probability · 40th percentile
CISA KEV: Not listed
Weakness: CWE-121, CWE-674
Affected: helm/helm
Source: security-advisories@github.com

References

https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7Patch
https://github.com/helm/helm/security/advisories/GHSA-5xqw-8hwv-wg92Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.