CVE-2026-6068: Nasm Netwide Assembler

Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days.

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and later dereferenced, as the response-file buffer is freed before the pointer is used, allowing for data corruption or remote code execution.

Affected products

• Nasm Netwide Assembler: version 3.02 only

Published 2026-04-10. Last modified 2026-06-17.