CVE-2025-8842 MEDIUM

CVE-2025-8842: NASM Netwide Assember preproc.c do_directive use after free

Vendor Nasm
Product Netwide Assember
Weakness CWE-416
Published August 11, 2025
Last update August 11, 2025

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS: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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 11, 2025 CVE published
August 11, 2025 Record updated