| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≥ 91.0, < 91.2< 93.0 | 91.293.0 |
| firefox esr | < 78.15 | 78.15 |
| thunderbird | ≥ 91.0, < 91.2< 78.15 | 91.278.15 |
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
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