CVE-2022-26387

CVE Details

Release Date:	2022-12-22
Impact:	None	What is this?

Description

When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.

See more information about CVE-2022-26387 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.5
Vector String:	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	High
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2022-0824	2022-03-10
Oracle Linux version 7 (thunderbird)	ELSA-2022-0850	2022-03-14
Oracle Linux version 8 (firefox)	ELSA-2022-0818	2022-03-10
Oracle Linux version 8 (thunderbird)	ELSA-2022-0845	2022-03-14