| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 60.7.0< 67.0 | 60.7.067.0 |
| thunderbird | < 60.7.0 | 60.7.0 |
A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
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