CVE-2025-8845

NASM Netwide Assember nasm.c assemble_file stack-based overflow

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. Hierbei geht es um die Funktion assemble_file der Datei nasm.c. Mittels dem Manipulieren mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden muss der Angriff lokal. Der Exploit steht zur öffentlichen Verfügung.

Affected

NASM · Netwide Assember

CVSS v4.0 VULDB

1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULDB

5.3 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

4.3 MEDIUMAV:L/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2025-08-11

Updated

2025-08-12

Proof-of-concept exploits (1)

• https://drive.google.com/file/d/1pEQb6lcdohWV53DzPPU7kaCCNg-qAaau/view?usp=drive_link

Security advisories

• https://bugzilla.nasm.us/show_bug.cgi?id=3392937
• https://vuldb.com/?id.319379
• https://vuldb.com/?submit.623188

References

• CVE Record
• NVD entry