Resource Exhaustion in Helm Tool by Tiller
CVE-2025-32386

6.5MEDIUM

Key Information:

Vendor

Helm

Status
Helm
Vendor
CVE Published:
9 April 2025

What is CVE-2025-32386?

Helm, a widely used tool for managing Kubernetes package charts, is susceptible to a resource exhaustion vulnerability. When a specially crafted chart archive is loaded, it can expand significantly larger in uncompressed form than its compressed size. This discrepancy can lead to excessive memory consumption, potentially causing the Helm application to terminate unexpectedly. The issue has been addressed in Helm version 3.17.3, which mitigates the risk associated with this vulnerability, ensuring more stable performance when handling chart packages.

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Deploy the Patch

Affected Version(s)

helm < 3.17.3

References

https://github.com/helm/helm/security/advisories/GHSA-4hf...
x_refsource_CONFIRM
https://github.com/helm/helm/commit/d8ca55fc669645c10c068...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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