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I. Basic Information for CVE-2026-40200
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in musl libc 0.7.10 through 1.2.6. Stack-based memory corruption can occur during qsort of very large arrays, due to incorrectly implemented double-word primitives. The number of elements must exceed about seven million, i.e., the 32nd Leonardo number on 32-bit platforms (or the 64th Leonardo number on 64-bit platforms, which is not practical).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
控制流实现总是不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
musl libc 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
musl libc是musl开源的一款开源的C语言标准库。主要用于嵌入式系统与移动设备等。 musl libc 0.7.10至1.2.6版本存在安全漏洞,该漏洞源于排序非常大的数组时,由于双字原语实现不正确,可能导致基于栈的内存损坏。
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
musl-libcmusl 0.7.10 ~ 1.2.6 -
II. Public POCs for CVE-2026-40200
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III. Intelligence Information for CVE-2026-40200
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