CVE-2019-6290: Nasm Netwide Assembler

Medium severity, CVSS 5.5. EPSS: 1.3% chance of exploitation in the next 30 days.

An infinite recursion issue was discovered in eval.c in Netwide Assembler (NASM) through 2.14.02. There is a stack exhaustion problem resulting from infinite recursion in the functions expr, rexp, bexpr and cexpr in certain scenarios involving lots of '{' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted asm file.

Affected products

• Nasm Netwide Assembler: up to and including 2.14.02

Published 2019-01-15. Last modified 2026-06-17.