CVE-2025-8845: Nasm Netwide Assembler

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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 Assembler: version 2.17 only

Published 2025-08-11. Last modified 2026-06-17.