CVE-2023-3600

2023-07-1200:00:00

ubuntu.com

use-after-free

potentially exploitable crash

firefox

thunderbird

mozjs

spidermonkey javascript engine

ubuntu 22.04

firefox snap

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

50.0%

JSON

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.

Notes

Author	Note
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

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchfirefox< 115.0.2+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu20.04noarchthunderbird< 1:115.3.1+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu22.04noarchthunderbird< 1:115.3.1+build1-0ubuntu0.22.04.2UNKNOWN
ubuntu23.04noarchthunderbird< 1:115.3.1+build1-0ubuntu0.23.04.1UNKNOWN
ubuntu23.10noarchthunderbird< 1:115.2.0+build1-0ubuntu1UNKNOWN
ubuntu24.04noarchthunderbird< 1:115.2.0+build1-0ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	firefox	< 115.0.2+build1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	20.04	noarch	thunderbird	< 1:115.3.1+build1-0ubuntu0.20.04.1	UNKNOWN
ubuntu	22.04	noarch	thunderbird	< 1:115.3.1+build1-0ubuntu0.22.04.2	UNKNOWN
ubuntu	23.04	noarch	thunderbird	< 1:115.3.1+build1-0ubuntu0.23.04.1	UNKNOWN
ubuntu	23.10	noarch	thunderbird	< 1:115.2.0+build1-0ubuntu1	UNKNOWN
ubuntu	24.04	noarch	thunderbird	< 1:115.2.0+build1-0ubuntu1	UNKNOWN