CVE-2022-46456

Publication date 4 January 2023

Last updated 15 September 2025


Ubuntu priority

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

NASM v2.16 was discovered to contain a global buffer overflow in the component dbgdbg_typevalue at /output/outdbg.c.

Read the notes from the security team

Status

Package Ubuntu Release Status
chromium-browser 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Ignored end of standard support, was needed
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support
qt6-webengine 25.10 questing
Needs evaluation
25.04 plucky
Needs evaluation
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Needs evaluation
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
Needs evaluation
20.04 LTS focal Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support
nasm 25.10 questing
Vulnerable, fix deferred
25.04 plucky
Vulnerable, fix deferred
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Vulnerable, fix deferred
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, fix deferred
20.04 LTS focal
Vulnerable, fix deferred
18.04 LTS bionic
Vulnerable, fix deferred
16.04 LTS xenial
Vulnerable, fix deferred
14.04 LTS trusty Ignored end of standard support

Notes


alexmurray

The Debian chromium source package is called chromium-browser in Ubuntu


mdeslaur

starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap


iconstantin

As of 2025-09-12 the page for the upstream bug is inaccessible, but it does not seem that the bug has been closed/resolved and that an upstream patch has been associated with fixing this issue. However, this issue might be resolved as of commit e05867ce3dfe303186f6c66df20251bfd828fd49.

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