The Internationalized Domain Name (IDN) display algorithm in Mozilla Firefox before 22.0 does not properly handle the .com, .name, and .net top-level domains, which allows remote attackers to spoof the address bar via unspecified homograph characters.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 21.0 (including) |
| Firefox | Mozilla | 19.0 (including) | 19.0 (including) |
| Firefox | Mozilla | 19.0.1 (including) | 19.0.1 (including) |
| Firefox | Mozilla | 19.0.2 (including) | 19.0.2 (including) |
| Firefox | Mozilla | 20.0 (including) | 20.0 (including) |
| Firefox | Mozilla | 20.0.1 (including) | 20.0.1 (including) |