CVE-2024-27454

orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915	Release Notes
https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e	Patch
https://github.com/ijl/orjson/issues/458	Exploit Issue Tracking
https://monicz.dev/CVE-2024-27454	Broken Link
https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915	Release Notes
https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e	Patch
https://github.com/ijl/orjson/issues/458	Exploit Issue Tracking
https://monicz.dev/CVE-2024-27454	Broken Link

Configurations

Configuration 1 (hide)

cpe:2.3:a:ijl:orjson:*:*:*:*:*:python:*:*

History

No history.

Information

Published : 2024-02-26 16:28

Updated : 2025-09-18 16:23

NVD link : CVE-2024-27454

Mitre link : CVE-2024-27454

CVE.ORG link : CVE-2024-27454

JSON object : View

Products Affected

ijl

orjson

CWE

CWE-674

Uncontrolled Recursion

{"id": "CVE-2024-27454", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2024-02-26T16:28:00.530", "references": [{"url": "https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915", "tags": ["Release Notes"], "source": "[email protected]"}, {"url": "https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://github.com/ijl/orjson/issues/458", "tags": ["Exploit", "Issue Tracking"], "source": "[email protected]"}, {"url": "https://monicz.dev/CVE-2024-27454", "tags": ["Broken Link"], "source": "[email protected]"}, {"url": "https://github.com/ijl/orjson/blob/master/CHANGELOG.md#3915", "tags": ["Release Notes"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ijl/orjson/commit/b0e4d2c06ce06c6e63981bf0276e4b7c74e5845e", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/ijl/orjson/issues/458", "tags": ["Exploit", "Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://monicz.dev/CVE-2024-27454", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-674"}]}], "descriptions": [{"lang": "en", "value": "orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents."}, {"lang": "es", "value": "orjson.loads en orjson anterior a 3.9.15 no limita la recursividad para documentos JSON profundamente anidados."}], "lastModified": "2025-09-18T16:23:58.163", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ijl:orjson:*:*:*:*:*:python:*:*", "vulnerable": true, "matchCriteriaId": "353A2FA2-DF55-4340-B54F-5D1634CCA6E4", "versionEndExcluding": "3.9.15"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}