CVE-2025-8843— NASM Netwide Assember outmacho.c macho_no_dead_strip heap-based overflow
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I. Basic Information for CVE-2025-8843
Vulnerability Information
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Vulnerability Title
NASM Netwide Assember outmacho.c macho_no_dead_strip heap-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in NASM Netwide Assember 2.17rc0. This affects the function macho_no_dead_strip of the file outmacho.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
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
NASM Netwide Assember 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NASM Netwide Assember是NASM团队的一款汇编器和反汇编器。 NASM Netwide Assember 2.17rc0版本存在安全漏洞，该漏洞源于文件outmacho.c中函数macho_no_dead_strip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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NASM | Netwide Assember | 2.17rc0 | - |
II. Public POCs for CVE-2025-8843
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · NASM · 2025-08-11 · 5 CVEs total
| CVE-2025-8842 | 5.3 MEDIUM | NASM Netwide Assember preproc.c do_directive use after free |
| CVE-2025-8845 | 5.3 MEDIUM | NASM Netwide Assember nasm.c assemble_file stack-based overflow |
| CVE-2025-8846 | 5.3 MEDIUM | NASM Netwide Assember parser.c parse_line stack-based overflow |
| CVE-2025-8844 | 3.3 LOW | NASM Netwide Assember preproc.c parse_smacro_template null pointer dereference |
IV. Related Vulnerabilities
Same product: Netwide Assember
Same weakness: CWE-122
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V. Comments for CVE-2025-8843
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