CVE-2026-3994— rui314 mold Object File input-files.cc initialize_sections heap-based overflow
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I. Basic Information for CVE-2026-3994
Vulnerability Information
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Vulnerability Title
rui314 mold Object File input-files.cc initialize_sections heap-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in rui314 mold up to 2.40.4. This issue affects the function mold::ObjectFilemold::X86_64::initialize_sections of the file src/input-files.cc of the component Object File Handler. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/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
mold 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mold是Rui Ueyama个人开发者的一个高速的现代链接器。 mold 2.40.4及之前版本存在安全漏洞，该漏洞源于组件Object File Handler中文件src/input-files.cc的函数mold::ObjectFilemold::X86_64::initialize_sections存在堆缓冲区溢出。
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
II. Public POCs for CVE-2026-3994
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- Too many requests · GitHubexploit
- CVE-2026-3994 rui314 mold Object File input-files.cc initialize_sections heap-based overflow (Issue 1548)vdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-3994
IV. Related Vulnerabilities
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V. Comments for CVE-2026-3994
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