A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Firefox | Mozilla | * | 101 (excluding) |
Firefox_esr | Mozilla | * | 91.10 (excluding) |
Thunderbird | Mozilla | * | 91.10 (excluding) |