Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
| Software | From | Fixed in |
|---|---|---|
| mozilla / thunderbird | - | 102.10 |
| mozilla / focus | - | 112.0 |
| mozilla / firefox_esr | - | 102.10 |
| mozilla / firefox | - | 112.0 |