A use-after-free was identified in the nsDNSService::Init. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.
| Software | From | Fixed in |
|---|---|---|
| mozilla / thunderbird | - | 115.6 |
| mozilla / firefox_esr | - | 115.6 |
| debian / debian_linux | 11.0 | 11.0.x |
| debian / debian_linux | 12.0 | 12.0.x |
| debian / debian_linux | 10.0 | 10.0.x |