| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 60.3.0< 63.0 | 60.3.063.0 |
| thunderbird | < 60.3.0 | 60.3.0 |
When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free