CVE-2022-42928

2022-10-2700:00:00

ubuntu.com

firefox

garbage collector

memory corruption

exploitable crash

thunderbird

8.8 High

CVSS3

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

0.002 Low

EPSS

Percentile

51.5%

JSON

Certain types of allocations were missing annotations that, if the Garbage
Collector was in a specific state, could have lead to memory corruption and
a potentially exploitable crash. This vulnerability affects Firefox < 106,
Firefox ESR < 102.4, and Thunderbird < 102.4.

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
ubuntu18.04noarchfirefox< 106.0.2+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 106.0.2+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu18.04noarchmozjs38< anyUNKNOWN
ubuntu18.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs52< anyUNKNOWN
ubuntu20.04noarchmozjs68< anyUNKNOWN
ubuntu22.04noarchmozjs78< anyUNKNOWN
ubuntu22.04noarchmozjs91< anyUNKNOWN
ubuntu18.04noarchthunderbird< 1:102.4.2+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchthunderbird< 1:102.4.2+build2-0ubuntu0.20.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	firefox	< 106.0.2+build1-0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	firefox	< 106.0.2+build1-0ubuntu0.20.04.1	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	18.04	noarch	thunderbird	< 1:102.4.2+build2-0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	thunderbird	< 1:102.4.2+build2-0ubuntu0.20.04.1	UNKNOWN