| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 100.0.2< 100.3.0 | 100.0.2100.3.0 |
| firefox esr | < 91.9.1 | 91.9.1 |
| thunderbird | < 91.9.1 | 91.9.1 |
If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free