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CVE-2026-0822— quickjs-ng quickjs quickjs.c js_typed_array_sort heap-based overflow

Quick assessment

Affected
quickjs-ng 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 0.11.0及之前版本存在安全漏洞，该漏洞源于文件quickjs.c中函数js_typed_array_sort存在堆缓冲区溢出，可能导致执行任意代码。

CVSS 6.3 · Medium EPSS 0.46% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-0822

Vulnerability Information
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Vulnerability Title
quickjs-ng quickjs quickjs.c js_typed_array_sort heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The identifier of the patch is 53eefbcd695165a3bd8c584813b472cb4a69fbf5. To fix this issue, it is recommended to deploy a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
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 0.11.0及之前版本存在安全漏洞，该漏洞源于文件quickjs.c中函数js_typed_array_sort存在堆缓冲区溢出，可能导致执行任意代码。
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-ng quickjs 0.1 -

II. Public POCs for CVE-2026-0822

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III. Intelligence Information for CVE-2026-0822

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Vendor Advisories for CVE-2026-0822 (3)

Proof of Concept for CVE-2026-0822 (1)

IV. Related Vulnerabilities

Same product: quickjs
Same vendor: quickjs-ng
Same weakness: CWE-122