CVE-2018-1000886

5.5 mediumEPSS 0.8%

Medium (5.5) in nasm netwide assembler. EPSS 0.8% chance of exploitation in the next 30 days.

nasm version 2.14.01rc5, 2.15 contains a Buffer Overflow vulnerability in asm/stdscan.c:130 that can result in Stack-overflow caused by triggering endless macro generation, crash the program. This attack appear to be exploitable via a crafted nasm input file.

Severity

CVSS 3.0

5.5 medium

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2018-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nasm:netwide_assembler

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392514
https://bugzilla.nasm.us/show_bug.cgi?id=3392514

Check your stack JSON