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I. Basic Information for CVE-2026-0821
Vulnerability Information

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Vulnerability Title
quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called c5d80831e51e48a83eab16ea867be87f091783c5. A patch should be applied to remediate this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
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_constructor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
VendorProductAffected VersionsCPESubscribe
quickjs-ngquickjs 0.1 -
II. Public POCs for CVE-2026-0821
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III. Intelligence Information for CVE-2026-0821
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IV. Related Vulnerabilities
V. Comments for CVE-2026-0821

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