When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. This vulnerability affects Firefox < 96, Thunderbird < 91.6, and Firefox ESR < 91.6.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Firefox | Mozilla | * | 96.0 (excluding) |
Firefox_esr | Mozilla | * | 91.6 (excluding) |
Thunderbird | Mozilla | * | 91.6 (excluding) |