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CVE-2025-12745— QuickJS quickjs.c js_array_buffer_slice buffer over-read

Quick assessment

Affected
n/a 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存在安全漏洞，该漏洞源于文件quickjs.c中函数js_array_buffer_slice存在缓冲区过度读取，可能导致本地执行攻击。

CVSS 5.3 · Medium EPSS 0.20% · P9
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I. Basic Information for CVE-2025-12745

Vulnerability Information
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Vulnerability Title
QuickJS quickjs.c js_array_buffer_slice buffer over-read
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit has been made available to the public and could be exploited. This product adopts a rolling release strategy to maintain continuous delivery Patch name: c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea. To fix this issue, it is recommended to deploy a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
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存在安全漏洞，该漏洞源于文件quickjs.c中函数js_array_buffer_slice存在缓冲区过度读取，可能导致本地执行攻击。
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
- QuickJS eb2c89087def1829ed99630cb14b549d7a98408c -

II. Public POCs for CVE-2025-12745

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III. Intelligence Information for CVE-2025-12745

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IV. Related Vulnerabilities

Same product: QuickJS
Same vendor: n/a
Same weakness: CWE-126

V. Comments for CVE-2025-12745

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