CVE-2025-5302 HIGH

CVE-2025-5302: Denial of Service (DOS) in JSONReader in run-llama/llama_index

Vendor Run-Llama
Product run-llama/llama_index
Weakness CWE-674
Published August 25, 2025
Last update August 25, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 25, 2025 CVE published
August 25, 2025 Record updated