CVE-2023-4057

Published: 2 August 2023

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116, Firefox ESR < 115.1, and Thunderbird < 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

Priority

Cvss 3 Severity Score

9.8

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)
	focal	Not vulnerable (116.0+build2-0ubuntu0.20.04.2)
	jammy	Not vulnerable
	lunar	Not vulnerable
	upstream	Released (116.0-1)
thunderbird Launchpad, Ubuntu, Debian	trusty	Ignored (end of standard support)
	xenial	Ignored (end of standard support)
	bionic	Ignored (end of standard support)
	focal	Needed
	jammy	Needed
	lunar	Needed
	upstream	Released (102.14,115.1)
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
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
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
mozjs78 Launchpad, Ubuntu, Debian	trusty	Does not exist
	xenial	Does not exist
	bionic	Does not exist
	focal	Does not exist
	jammy	Needs triage
	lunar	Needs triage
	upstream	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
mozjs102 Launchpad, Ubuntu, Debian	trusty	Does not exist
	xenial	Does not exist
	bionic	Does not exist
	focal	Does not exist
	jammy	Needs triage
	lunar	Needs triage
	upstream	Needs triage

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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