CVE-2022-28282

Published: 6 April 2022

By using a link with <code>rel="localization"</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	bionic	Released (99.0+build2-0ubuntu0.18.04.2)
	focal	Released (99.0+build2-0ubuntu0.20.04.2)
	impish	Released (99.0+build2-0ubuntu0.21.10.2)
	jammy	Released (1:1snap1-0ubuntu1)
	kinetic	Released (1:1snap1-0ubuntu1)
	lunar	Released (1:1snap1-0ubuntu1)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Ignored (end of standard support)
thunderbird Launchpad, Ubuntu, Debian	bionic	Released (1:91.8.1+build1-0ubuntu0.18.04.1)
	focal	Released (1:91.8.1+build1-0ubuntu0.20.04.1)
	impish	Released (1:91.8.1+build1-0ubuntu0.21.10.1)
	jammy	Not vulnerable (1:91.8.0+build2-0ubuntu1)
	kinetic	Not vulnerable (1:91.8.0+build2-0ubuntu1)
	lunar	Not vulnerable (1:91.8.0+build2-0ubuntu1)
	trusty	Does not exist
	upstream	Released (91.8)
	xenial	Ignored (end of standard support)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

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