CVE-2023-3600

Publication date 12 July 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

During the worker lifecycle, a use-after-free condition could have occured, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Fixed 115.0.2+build1-0ubuntu0.20.04.1
	18.04 LTS bionic	Ignored end of standard support
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Ignored end of standard support
thunderbird	24.04 LTS noble	Fixed 1:115.2.0+build1-0ubuntu1
	23.10 mantic	Fixed 1:115.2.0+build1-0ubuntu1
	23.04 lunar	Fixed 1:115.3.1+build1-0ubuntu0.23.04.1
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Fixed 1:115.3.1+build1-0ubuntu0.22.04.2
	20.04 LTS focal	Fixed 1:115.3.1+build1-0ubuntu0.20.04.1
	18.04 LTS bionic	Ignored end of standard support
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Ignored end of standard support

Notes

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

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H