Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal networks hosts as well as services running on the users local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 84.0 (excluding) |
| Firefox_esr | Mozilla | * | 78.6.0 (excluding) |
| Thunderbird | Mozilla | * | 78.6.0 (excluding) |