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CVE-2025-5472— Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama_index

Quick assessment

Affected
run-llama run-llama/llama_index
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LlamaIndex是LlamaIndex开源的一个 LLM 应用程序的数据框架。 LlamaIndex 0.12.28版本存在安全漏洞，该漏洞源于JSONReader中递归解析不受控制，可能导致拒绝服务攻击。

AI Predicted 5.3 Difficulty: Easy EPSS 0.36% · P28

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-5472

Vulnerability Information
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Vulnerability Title
Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama_index
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
LlamaIndex 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LlamaIndex是LlamaIndex开源的一个 LLM 应用程序的数据框架。 LlamaIndex 0.12.28版本存在安全漏洞，该漏洞源于JSONReader中递归解析不受控制，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
run-llama run-llama/llama_index unspecified ~ 0.12.38 -

II. Public POCs for CVE-2025-5472

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III. Intelligence Information for CVE-2025-5472

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Same Patch Batch · run-llama · 2025-07-07 · 6 CVEs total

CVE-2025-6210 Hardlink-Based Path Traversal in run-llama/llama_index
CVE-2025-6209 Arbitrary File Read through Path Traversal in run-llama/llama_index
CVE-2025-3044 MD5 Hash Collision in run-llama/llama_index
CVE-2025-3225 XML Entity Expansion vulnerability in run-llama/llama_index
CVE-2025-3046 Path Traversal via Symbolic Links in run-llama/llama_index

IV. Related Vulnerabilities

Same product: run-llama/llama_index
Same vendor: run-llama
Same weakness: CWE-674

V. Comments for CVE-2025-5472

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