CVE-2023-38668

Publication date 22 August 2023

Last updated 12 February 2026


Ubuntu priority

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

Stack-based buffer over-read in disasm in nasm 2.16 allows attackers to cause a denial of service (crash).

Read the notes from the security team

Status

Package Ubuntu Release Status
nasm 25.10 questing
Vulnerable
25.04 plucky Ignored end of life, was needed
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Vulnerable
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Vulnerable
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Ignored end of standard support

Notes


shishirsub10

patch is not available upstream(3.00rc8)

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H