Vulnerability-Lookup

CVE-2025-5302 (GCVE-0-2025-5302)

Vulnerability from cvelistv5 – Published: 2025-08-25 15:03 – Updated: 2025-08-25 15:41

Title

Denial of Service (DOS) in JSONReader in run-llama/llama_index

Summary

A denial of service vulnerability exists in the JSONReader component of the run-llama/llama_index repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth limit. This results in high resource consumption and potential crashes of the Python process. The issue is resolved in version 0.12.38.

Severity ?

8.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CWE

CWE-674 - Uncontrolled Recursion

Assigner

@huntr_ai

References

URL

Tags

	https://huntr.com/bounties/70041b81-de9e-4046-8c0…
	https://github.com/run-llama/llama_index/commit/c…

Impacted products

	Vendor	Product	Version
	run-llama	run-llama/llama_index	Affected: unspecified , < 0.12.38 (custom)

Show details on NVD website

JSON

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      "metrics": [
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      "source": {
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      "title": "Denial of Service (DOS) in JSONReader in run-llama/llama_index"
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GHSA-7753-XRFW-CH36

Vulnerability from github – Published: 2025-08-26 00:31 – Updated: 2025-08-26 17:43

Summary

LlamaIndex affected by a Denial of Service (DOS) in JSONReader

Details

Severity ?

8.6 (High)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "llama-index-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.12.38"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-5302"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-674"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-08-26T17:43:43Z",
    "nvd_published_at": "2025-08-25T15:15:42Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-7753-xrfw-ch36",
  "modified": "2025-08-26T17:43:43Z",
  "published": "2025-08-26T00:31:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5302"
    },
    {
      "type": "WEB",
      "url": "https://github.com/run-llama/llama_index/commit/c032843a02ce38fd8f284b2aa5a37fd1c17ae635"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/run-llama/llama_index"
    },
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/70041b81-de9e-4046-8c0e-6ccd557048a6"
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  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "LlamaIndex affected by a Denial of Service (DOS) in JSONReader"
}

FKIE_CVE-2025-5302

Vulnerability from fkie_nvd - Published: 2025-08-25 15:15 - Updated: 2025-08-25 20:24

Severity ?

8.6 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Summary

References

	URL	Tags
	security@huntr.dev	https://github.com/run-llama/llama_index/commit/c032843a02ce38fd8f284b2aa5a37fd1c17ae635
	security@huntr.dev	https://huntr.com/bounties/70041b81-de9e-4046-8c0e-6ccd557048a6

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability exists in the JSONReader component of the run-llama/llama_index repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth limit. This results in high resource consumption and potential crashes of the Python process. The issue is resolved in version 0.12.38."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de denegaci\u00f3n de servicio en el componente JSONReader del repositorio run-llama/llama_index, concretamente en la versi\u00f3n v0.12.37. Esta vulnerabilidad se debe a una recursi\u00f3n incontrolada al analizar archivos JSON profundamente anidados, lo que puede provocar que Python alcance su l\u00edmite m\u00e1ximo de recursi\u00f3n. Esto provoca un alto consumo de recursos y posibles bloqueos del proceso de Python. El problema se ha resuelto en la versi\u00f3n 0.12.38."
    }
  ],
  "id": "CVE-2025-5302",
  "lastModified": "2025-08-25T20:24:45.327",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.7,
        "source": "security@huntr.dev",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-25T15:15:42.243",
  "references": [
    {
      "source": "security@huntr.dev",
      "url": "https://github.com/run-llama/llama_index/commit/c032843a02ce38fd8f284b2aa5a37fd1c17ae635"
    },
    {
      "source": "security@huntr.dev",
      "url": "https://huntr.com/bounties/70041b81-de9e-4046-8c0e-6ccd557048a6"
    }
  ],
  "sourceIdentifier": "security@huntr.dev",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
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          "lang": "en",
          "value": "CWE-674"
        }
      ],
      "source": "security@huntr.dev",
      "type": "Secondary"
    }
  ]
}

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

CVE-2025-5302 (GCVE-0-2025-5302)

GHSA-7753-XRFW-CH36

FKIE_CVE-2025-5302

Tags

Sightings

Nomenclature