CVE-2025-5302
High
Description
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductLlama-index-core
PublishedAug 25, 2025
First seenAug 25, 2025
Weakness typeCWE-674CWE-674
How to fix
Update
- llama-index-core0.12.38 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| llama-index-corePyPI | v < 0.12.38 | 0.12.38 |
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