CVE-2020-18780

MEDIUM

NASM 2.14.02 - Use-After-Free in new_Token Function

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392634

Scores

CVSS v3 5.5
EPSS 0.0027
EPSS Percentile 17.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (1)
nasm/netwide_assembler 2.14.02
Published Aug 22, 2023
Tracked Since Feb 18, 2026