CVE-2020-18780

PoC —

CVSS 3.1

5.5 medium

EPSS

<1%p21

Published

Aug 22, 2023 (Aug 22, 2023)

Modified

Jun 17, 2026

Description

A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.

Vendors: nasm
Products: netwide assembler
Weakness: CWE-416
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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