CVE-2019-20352

PoC —

CVSS 3.1

7.1 high

EPSS

<1%p56

Published

Jan 6, 2020 (Jan 6, 2020)

Modified

Jun 17, 2026

Description

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.

Vendors: nasm
Products: netwide assembler
Weakness: CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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