An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.
| Software | From | Fixed in |
|---|---|---|
| mozilla / thunderbird | 131.0 | 131.0.x |
| mozilla / thunderbird | 128.0.1 | 128.3.1 |
| mozilla / thunderbird | - | 115.16.0 |
| mozilla / firefox | - | 115.16.1 |
| mozilla / firefox | - | 131.0.2 |
| mozilla / firefox | 128.1.0 | 128.3.1 |
| debian / debian_linux | 11.0 | 11.0.x |