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CVE-2025-32387

Good to know:

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Date: April 9, 2025

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2025-32387
https://github.com/helm/helm/security/advisories/GHSA-5xqw-8hwv-wg92
https://github.com/helm/helm
https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7
https://www.mend.io/vulnerability-database/CVE-2025-32387

Severity Score

Weakness Type (CWE)

Stack-based Buffer Overflow

CWE-121

Uncontrolled Recursion

CWE-674

Top Fix

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Upgrade Version

Upgrade to version helm.sh/helm/v3 - v3.17.3;https://github.com/helm/helm.git - v3.17.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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