What’s Vulnerable › Vulnerabilities

CVE-2025-8845: NASM Netwide Assember nasm.c assemble_file stack-based overflow

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-11 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Affected products

• NASM Netwide Assember: 2.17-rc0

References

• https://bugzilla.nasm.us/show_bug.cgi?id=3392937
• https://drive.google.com/file/d/1pEQb6lcdohWV53DzPPU7kaCCNg-qAaau/view?usp=drive_link
• https://vuldb.com/?ctiid.319379
• https://vuldb.com/?id.319379
• https://vuldb.com/?submit.623188
• https://bugzilla.nasm.us/show_bug.cgi?id=3392937

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