Use After Free Affecting nasm package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CENTOS6-NASM-5862367
  • published26 Aug 2023
  • disclosed6 Jan 2020

Introduced: 6 Jan 2020

CVE-2020-21686  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 nasm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nasm package and not the nasm package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.

CVSS Scores

version 3.1