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CVE-2025-46688

Quick assessment

Affected
QuickJS Project QuickJS
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.

QuickJS是QuickJS开源的一个小型且可嵌入的 Javascript 引擎。 QuickJS 0.9.0及之前版本存在安全漏洞，该漏洞源于JS_ReadBigInt中BigInt大小计算错误，可能导致基于堆的缓冲区溢出。

CVSS 5.6 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-46688

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
quickjs-ng through 0.9.0 has an incorrect size calculation in JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow. QuickJS before 2025-04-26 is also affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区大小计算不正确
Source: CVE Program / CVE List V5
Vulnerability Title
QuickJS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QuickJS是QuickJS开源的一个小型且可嵌入的 Javascript 引擎。 QuickJS 0.9.0及之前版本存在安全漏洞，该漏洞源于JS_ReadBigInt中BigInt大小计算错误，可能导致基于堆的缓冲区溢出。
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
QuickJS Project QuickJS 0 ~ 2025-04-26 -

II. Public POCs for CVE-2025-46688

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III. Intelligence Information for CVE-2025-46688

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Patches & Fixes for CVE-2025-46688 (3)

Vendor Advisories for CVE-2025-46688 (1)

News Coverage for CVE-2025-46688 (1)

IV. Related Vulnerabilities

Same product: QuickJS
Same vendor: QuickJS Project
Same weakness: CWE-131

V. Comments for CVE-2025-46688

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