Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-04-11 19:13

Modified

2025-05-20 10:02

Summary

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

Details

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.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "helm",
        "purl": "pkg:bitnami/helm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.17.3"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-32387"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:helm:helm:*:*:*:*:*:*:*:*",
      "cpe:2.3:a:helm:helm:*:*:*:*:*:go:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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.",
  "id": "BIT-helm-2025-32387",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2025-04-11T19:13:06.497Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7"
    },
    {
      "type": "WEB",
      "url": "https://github.com/helm/helm/security/advisories/GHSA-5xqw-8hwv-wg92"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-32387"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow"
}

CVE-2025-32387 (GCVE-0-2025-32387)

Vulnerability from cvelistv5 – Published: 2025-04-09 22:28 – Updated: 2025-04-10 14:58

Title

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

Summary

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-674 - Uncontrolled Recursion

Assigner

GitHub_M

References

URL

Tags

	https://github.com/helm/helm/security/advisories/…	x_refsource_CONFIRM
	https://github.com/helm/helm/commit/d8ca55fc66964…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	helm	helm	Affected: < 3.17.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-32387",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-10T14:53:50.496240Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-10T14:58:47.796Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "helm",
          "vendor": "helm",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.17.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121: Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-674",
              "description": "CWE-674: Uncontrolled Recursion",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-04-09T22:28:33.476Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/helm/helm/security/advisories/GHSA-5xqw-8hwv-wg92",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/helm/helm/security/advisories/GHSA-5xqw-8hwv-wg92"
        },
        {
          "name": "https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/helm/helm/commit/d8ca55fc669645c10c0681d49723f4bb8c0b1ce7"
        }
      ],
      "source": {
        "advisory": "GHSA-5xqw-8hwv-wg92",
        "discovery": "UNKNOWN"
      },
      "title": "Helm Allows A Specially Crafted JSON Schema To Cause A Stack Overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-32387",
    "datePublished": "2025-04-09T22:28:33.476Z",
    "dateReserved": "2025-04-06T19:46:02.463Z",
    "dateUpdated": "2025-04-10T14:58:47.796Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2025-32387 (GCVE-0-2025-32387)

Tags

Sightings

Nomenclature