The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-hx9q-6w63-j58v orjson does not limit recursion for deeply nested JSON documents
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 28 Jan 2026 00:15:00 +0000

Type Values Removed Values Added
Title orjson: orjson: Denial of Service due to unbounded recursion with deeply nested JSON documents
References

Fri, 23 Jan 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Ijl
Ijl orjson
Vendors & Products Ijl
Ijl orjson

Thu, 22 Jan 2026 23:00:00 +0000

Type Values Removed Values Added
Description The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-01-22T17:05:17.712Z

Reserved: 2025-12-08T00:00:00.000Z

Link: CVE-2025-67221

cve-icon Vulnrichment

Updated: 2026-01-22T17:04:49.459Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-22T17:16:01.433

Modified: 2026-01-26T15:04:33.567

Link: CVE-2025-67221

cve-icon Redhat

Severity :

Publid Date: 2026-01-22T00:00:00Z

Links: CVE-2025-67221 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-01-23T16:32:09Z

Weaknesses