CVE-2025-8842— NASM Netwide Assember preproc.c do_directive use after free
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I. Basic Information for CVE-2025-8842
Vulnerability Information
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Vulnerability Title
NASM Netwide Assember preproc.c do_directive use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. 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
释放后使用
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preproc.c中函数do_directive存在释放后重用问题。
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-2025-8842
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · NASM · 2025-08-11 · 5 CVEs total
| CVE-2025-8843 | 5.3 MEDIUM | NASM Netwide Assember outmacho.c macho_no_dead_strip heap-based overflow |
| 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
V. Comments for CVE-2025-8842
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