CVE-2019-20352

7.1 highEPSS 0.8%

High (7.1) in nasm netwide assembler. EPSS 0.8% chance of exploitation in the next 30 days.

In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.

Severity

CVSS 3.1

7.1 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2020-01-06
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=3392636
https://bugzilla.nasm.us/show_bug.cgi?id=3392636

Check your stack JSON