CVE-2020-24978

PoC —

CVSS 3.1

9.8 critical

EPSS

1%p70

Published

Sep 4, 2020 (Sep 4, 2020)

Modified

Jun 17, 2026

Description

In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb7.

Vendors: nasm
Products: netwide assembler
Weakness: CWE-415
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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