CVE-2025-32387

Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow

Published Apr 9, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-10671 Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow
Github GHSA Github GHSA GHSA-5xqw-8hwv-wg92 Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow
History
Type Values Removed Values Added
CPEs cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow
Weaknesses CWE-121
CWE-674
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 10, 2025, 2:58 PM
Reserved
Apr 6, 2025, 7:46 PM
Status
Analyzed
Published
Apr 9, 2025, 11:15 PM
Modified
Jun 17, 2026, 9:11 AM
Severity
Moderate
Public date
Apr 9, 2025, 10:28 PM