CVE Vulnerabilities

CVE-2021-4221

Published: Dec 22, 2022 | Modified: Dec 24, 2022
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

If a domain name contained a RTL character, it would cause the domain to be rendered to the right of the path. This could lead to user confusion and spoofing attacks. This bug only affects Firefox for Android. Other operating systems are unaffected.Note: Due to a clerical error this advisory was not included in the original announcement, and was added in Feburary 2022. This vulnerability affects Firefox < 92.

Affected Software

Name Vendor Start Version End Version
Firefox Mozilla * 92.0 (excluding)
Firefox Ubuntu trusty *
Firefox Ubuntu xenial *

References