Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

Red Hat: CVE-2020-18780: nasm: use-after-free in new_Token() in asm/preproc.c

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
Aug 22, 2023
Added
Jul 9, 2025
Modified
Jul 10, 2025

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.

Solution

no-fix-redhat-rpm-package
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.