NULL Pointer Dereference Affecting nasm package, versions *


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (15th 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 NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UBUNTU1604-NASM-5854645
  • published11 Sept 2025
  • disclosed22 Aug 2023

Introduced: 22 Aug 2023

CVE-2023-38665  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:16.04 nasm.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nasm package and not the nasm package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Null pointer dereference in ieee_write_file in nasm 2.16rc0 allows attackers to cause a denial of service (crash).

CVSS Base Scores

version 3.1