CVE-2025-32386: Helm

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Helm Helm: before 3.17.3 (fixed in 3.17.3)

Published 2025-04-09. Last modified 2026-06-17.