PT-2026-31917 · Nasm · Nasm

Published 2026-04-10 · Updated 2026-04-10 · CVE-2026-6067

Mitre

CVSS v3.1

7.5

High

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

A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj directive() function. This vulnerability can be exploited by a user assembling a malicious .asm file, potentially leading to heap memory corruption, denial of service (crash), and arbitrary code execution.

Fix

Related Identifiers

CVE-2026-6067

Affected Products

Nasm

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-6067 · Security Note
• https://github.com/netwide-assembler/nasm/issues/203 · Note