| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 71.0 | 71.0 |
| firefox esr | < 68.3 | 68.3 |
| thunderbird | < 68.3 | 68.3 |
Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free