High · published February 4, 2025
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
| Product | Versions | Fixed in |
|---|---|---|
| mozilla/firefox | < 128.7.0 | 128.7.0 |
| mozilla/firefox | < 135.0 | 135.0 |
| mozilla/thunderbird | < 135.0 | 135.0 |
| mozilla/thunderbird | ≥ 128.0.1, < 128.7.0 | 128.7.0 |