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. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*<br>*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.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1704422 | Exploit Issue Tracking Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-38/ | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1704422 | Exploit Issue Tracking Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-38/ | Vendor Advisory |
Configurations
Configuration 1 (hide)
| AND |
|
History
16 Apr 2025, 16:15
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-1007 |
21 Nov 2024, 06:37
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://bugzilla.mozilla.org/show_bug.cgi?id=1704422 - Exploit, Issue Tracking, Vendor Advisory | |
| References | () https://www.mozilla.org/security/advisories/mfsa2021-38/ - Vendor Advisory |
24 Dec 2022, 04:23
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | NVD-CWE-Other | |
| References | (MISC) https://www.mozilla.org/security/advisories/mfsa2021-38/ - Vendor Advisory | |
| References | (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1704422 - Exploit, Issue Tracking, Vendor Advisory | |
| CPE | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* cpe:2.3:o:google:android:-:*:*:*:*:*:*:* |
|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 4.3 |
22 Dec 2022, 20:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-12-22 20:15
Updated : 2025-04-16 16:15
NVD link : CVE-2021-4221
Mitre link : CVE-2021-4221
CVE.ORG link : CVE-2021-4221
JSON object : View
Products Affected
mozilla
- firefox
- android
CWE