CVE-2023-4050

2023-08-0100:00:00

ubuntu.com

cve-2023-4050; untrusted input; stack buffer; exploitable crash; sandbox escape; firefox; mozilla firefox esr; ubuntu 22.04; snap; javascript engine; spidermonkey; unix

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

58.3%

JSON

In some cases, an untrusted input stream was copied to a stack buffer
without checking its size. This resulted in a potentially exploitable crash
which could have led to a sandbox escape. This vulnerability affects
Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

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< 116.0+build2-0ubuntu0.20.04.2UNKNOWN
ubuntu22.04noarchmozjs102< anyUNKNOWN
ubuntu24.04noarchmozjs102< anyUNKNOWN
ubuntu18.04noarchmozjs38< anyUNKNOWN
ubuntu18.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs68< anyUNKNOWN
ubuntu22.04noarchmozjs78< anyUNKNOWN
ubuntu22.04noarchmozjs91< anyUNKNOWN
ubuntu20.04noarchthunderbird< 1:102.15.0+build1-0ubuntu0.20.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	firefox	< 116.0+build2-0ubuntu0.20.04.2	UNKNOWN
ubuntu	22.04	noarch	mozjs102	< any	UNKNOWN
ubuntu	24.04	noarch	mozjs102	< any	UNKNOWN
ubuntu	18.04	noarch	mozjs38	< any	UNKNOWN
ubuntu	18.04	noarch	mozjs52	< any	UNKNOWN
ubuntu	20.04	noarch	mozjs52	< any	UNKNOWN
ubuntu	20.04	noarch	mozjs68	< any	UNKNOWN
ubuntu	22.04	noarch	mozjs78	< any	UNKNOWN
ubuntu	22.04	noarch	mozjs91	< any	UNKNOWN
ubuntu	20.04	noarch	thunderbird	< 1:102.15.0+build1-0ubuntu0.20.04.1	UNKNOWN