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CVE-2023-4046

Published: 1 August 2023

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur
starting with Ubuntu 22.04, the firefox package is just a script
that installs the Firefox snap

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
upstream Needs triage

lunar Not vulnerable
(code not present)
focal
Released (116.0+build2-0ubuntu0.20.04.2)
jammy Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)
thunderbird
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal
Released (1:102.15.0+build1-0ubuntu0.20.04.1)
jammy
Released (1:102.15.0+build1-0ubuntu0.22.04.1)
lunar
Released (1:102.15.0+build1-0ubuntu0.23.04.1)
upstream
Released (102.14,115.1)
mantic
Released (1:115.2.0+build1-0ubuntu1)
mozjs38
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

mozjs52
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Needs triage

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

mozjs68
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

mozjs78
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Needs triage

upstream Needs triage

mantic Does not exist

lunar Ignored
(end of life, was needs-triage)
mozjs91
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Needs triage

lunar Does not exist

upstream Needs triage

mantic Does not exist

mozjs102
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

upstream Needs triage

jammy
Released (102.15.1-0ubuntu0.22.04.1)
lunar
Released (102.15.1-0ubuntu0.23.04.1)
mantic Not vulnerable
(102.15.1-1)

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L