CVE-2025-55199 – Helm Denial of Service (DoS) Vulnerability

The following table lists the changes that have been made to the
CVE-2025-55199 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 14, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CWE CWE-770
    Added Reference https://github.com/helm/helm/commit/b78692c18f0fb38fe5ba4571a674de067a4c53a5
    Added Reference https://github.com/helm/helm/security/advisories/GHSA-9h84-qmv7-982p
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