Home/CVE/Helm is a tool for managing Charts. A chart archive file can be crafted in a manner where it expands to be significantly
CVE

CVE-2025-32386

Helm is a tool for managing Charts. A chart archive file can be crafted in a manner where it expands to be significantly

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.

MEDIUM · CVSS 6.5 EPSS 0.00022
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

1
helm< 3.17.3
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go helm.sh/helm/v3 MODERATE fixed in 3.17.3
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Apr 2025 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
msrcCVE-2025-32386
suse-csafSUSE-SU-2025:01830-2
suse-csafSUSE-SU-2025:01830-1
suse-csafopenSUSE-SU-2025:14995-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7Patch
https://github.com/helm/helm/security/advisories/GHSA-4hfp-h4cw-hj8pThird Party Advisory
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