CVE-2025-5302CWE-674

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

High · published August 25, 2025

CVSS v3.0
8.6
EPSS
0%
Percentile
19.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.6 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00285 · 19.9th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2025-08-25T15:03Z
EPSS history
Timeline
  • 25 AUG 15:03Z
    Denial of Service (DOS) in JSONReader in run-llama/llama_index
    cvelistv5