CVE-2025-32387: Helm

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Helm Helm: before 3.17.3 (fixed in 3.17.3)

Published 2025-04-09. Last modified 2026-06-17.