PT-2026-31917 · Nasm+2 · Nasm+1

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

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Netwide Assembler (NASM) (affected versions not specified)

Description A heap buffer overflow occurs due to a lack of bounds checking in the obj directive() function. This issue can be triggered when assembling a malicious .asm file, which may lead to heap memory corruption, denial of service, or arbitrary code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-6067

Affected Products

Nasm

Netwide Assembler

References · 7

• 🔥 https://github.com/netwide-assembler/nasm/issues/203 · Exploit
• https://cve.org/CVERecord?id=CVE-2026-6067 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6067 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-6067 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-6067 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-6067 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-6067 · Vendor Advisory