The installed version of Firefox must be supported.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-251545	FFOX-00-000001	SV-251545r849960_rule		High

Description
Using versions of an application that are not supported by the vendor is not permitted. Vendors respond to security flaws with updates and patches. These updates are not available for unsupported versions, which can leave the application vulnerable to attack.

STIG	Date
Mozilla Firefox Security Technical Implementation Guide	2022-09-09

Details

Check Text ( C-54980r807105_chk )
Run Firefox. Click the ellipsis button >> Help >> About Firefox, and view the version number. If the Firefox version is not a supported version, this is a finding.

Fix Text (F-54934r807106_fix)
Upgrade the version of the browser to an approved version by obtaining software from the vendor or other trusted source.