A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
The product does not initialize a critical resource.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Firefox | Mozilla | * | 88.0 (excluding) |
| Firefox_esr | Mozilla | * | 78.10 (excluding) |
| Thunderbird | Mozilla | * | 78.10 (excluding) |