CVE-2025-55199 — Helm Charts with Specific JSON Schema Values Can Cause Memory Exhaustion
Helm is a package manager for Charts for Kubernetes. Prior to version 3.18.5, it is possible to craft a JSON Schema file in a manner which could cause Helm to use all available …
Published: 2025-08-13 · CVSS: 6.5 · CVSS 3.1
Helm is a package manager for Charts for Kubernetes. Prior to version 3.18.5, it is possible to craft a JSON Schema file in a manner which could cause Helm to use all available memory and have an out of memory (OOM) termination. This issue has been resolved in Helm 3.18.5. A workaround involves ensuring all Helm charts that are being loaded into Helm do not have any reference of $ref pointing to /dev/zero.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7