Helm Charts with Specific JSON Schema Values Can Cause Memory Exhaustion

A Helm contributor discovered that it was 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. Impact A malicious chart can point $ref in values.schema.json to a device e.g. /dev/ or other problem file which...

GHSA-9H84-QMV7-982P Helm Charts with Specific JSON Schema Values Can Cause Memory Exhaustion

A Helm contributor discovered that it was 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. Impact A malicious chart can point $ref in values.schema.json to a device e.g. /dev/ or other problem file which...

PT-2025-33104

Name of the Vulnerable Software and Affected Versions: Helm versions prior to 3.18.5 Description: Helm, a package manager for Kubernetes Charts, is susceptible to a denial-of-service issue. A crafted JSON Schema file can cause Helm to exhaust available memory, leading to an out-of-memory OOM...