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CVE-2023-4049

Published: 1 August 2023

Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. 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

5.9

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

jammy Not vulnerable
(code not present)
focal
Released (116.0+build2-0ubuntu0.20.04.2)
lunar 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)
upstream
Released (102.14,115.1)
lunar
Released (1:102.15.0+build1-0ubuntu0.23.04.1)
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

jammy Needs triage

upstream Needs triage

mantic Needs triage

lunar Ignored
(end of life, was needs-triage)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H