HIGH · 7.5

CVE-2025-67221

The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.

Vulnerability Description

The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IjlOrjson<= 3.11.4

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-67221?

CVE-2025-67221 is a vulnerability with a CVSS score of 7.5 (HIGH). The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents.

How severe is CVE-2025-67221?

CVE-2025-67221 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-67221?

Check the references section above for vendor advisories and patch information. Affected products include: Ijl Orjson.