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CVE-2025-32387

Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow

Published: Apr 9, 2025Updated: Sep 3, 2025 Sources: CVE List NVD GHSA BDUCWE-121
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.4%
Top 70.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Helm is a package manager for Charts for Kubernetes. A JSON Schema file within a chart can be crafted with a deeply nested chain of references, leading to parser recursion that can exceed the stack size limit and trigger a stack overflow. This issue has been resolved in Helm v3.17.3.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-121CWE-674

Affected Products

helmhelm
Mixed
DevTools & CI / artifact-registry
helm.sh/helm/v3GoOSS Libraries
OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
Openshift Service MeshRed Hat Inc.
SaaSSaaS Service
Cloud & SaaS / container-orchestration
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
helmoss-projectDevTools & CI
gopackage-ecosystemOSS Libraries
novell inc.commercialUSOperating Systems
red hat inc.commercialUSOperating Systemsaka red hat
ооо «ред софт»commercialRUOperating Systemsaka red soft
and 8 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Impact
Privilege Escalation
View detailed technique mapping

References

https://github.com/helm/helm/security/advisories/GHSA-5xqw-8hwv-wg92
github.com
https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-32387
nvd.nist.gov
and 6 more references View all →

Timeline

Published
Apr 9, 2025
Last Updated
Sep 3, 2025

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