CVE-2023-31722

Publication date 17 May 2023

Last updated 19 January 2026


Ubuntu priority

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

There exists a heap buffer overflow in nasm 2.16.02rc1 (GitHub commit: b952891).

Status

Package Ubuntu Release Status
nasm 25.10 questing
Vulnerable
25.04 plucky Ignored end of life, was deferred [2025-09-11]
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
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nasm

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H