Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama_index
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| run-llama | run-llama/llama_index | affected |
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No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-20209 | LlamaIndex vulnerable to DoS attack through uncontrolled recursive JSON parsing |
Github GHSA |
GHSA-3wxx-q3gv-pvvv | LlamaIndex vulnerable to DoS attack through uncontrolled recursive JSON parsing |
No CVSS v4.0
No CVSS v3.1
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.388% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Llamaindex
Llamaindex llamaindex |
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| CPEs | cpe:2.3:a:llamaindex:llamaindex:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Llamaindex
Llamaindex llamaindex |
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|---|---|---|
| Metrics |
epss
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epss
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| Type | Values Removed | Values Added |
|---|---|---|
| References |
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| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | The JSONReader in run-llama/llama_index versions 0.12.28 is vulnerable to a stack overflow due to uncontrolled recursive JSON parsing. This vulnerability allows attackers to trigger a Denial of Service (DoS) by submitting deeply nested JSON structures, leading to a RecursionError and crashing applications. The root cause is the unsafe recursive traversal design and lack of depth validation, which makes the JSONReader susceptible to stack overflow when processing deeply nested JSON. This impacts the availability of services, making them unreliable and disrupting workflows. The issue is resolved in version 0.12.38. | |
| Title | Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama_index | |
| Weaknesses | CWE-674 | |
| References |
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| Metrics |
cvssV3_0
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