CVE-2025-32386: Helm Allows A Specially Crafted Chart Archive To Cause Out Of Memory Termination

6.5 CVSS

Description

Helm is a tool for managing Charts. A chart archive file can be crafted in a manner where it expands to be significantly larger uncompressed than compressed (e.g., >800x difference). When Helm loads this specially crafted chart, memory can be exhausted causing the application to terminate. This issue has been resolved in Helm v3.17.3.

Classification

CVE ID: CVE-2025-32386

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem Types

CWE-789: Memory Allocation with Excessive Size Value CWE-770: Allocation of Resources Without Limits or Throttling

Affected Products

Vendor: helm

Product: helm

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 10.21% (scored less or equal to compared to others)

EPSS Date: 2025-04-20 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-32386
https://github.com/helm/helm/security/advisories/GHSA-4hfp-h4cw-hj8p
https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7

Timeline