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I. Basic Information for CVE-2026-6042
Vulnerability Information

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Vulnerability Title
musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix this issue, it is recommended to deploy a patch.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
算法复杂性
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 1.2.6及之前版本存在安全漏洞,该漏洞源于算法复杂性低效,可能导致本地攻击。
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
VendorProductAffected VersionsCPESubscribe
musllibc 1.2.0 -
II. Public POCs for CVE-2026-6042
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III. Intelligence Information for CVE-2026-6042
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IV. Related Vulnerabilities
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