| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 128.6.0< 134.0 | 128.6.0134.0 |
| thunderbird | ≥ 129.0, < 134.0< 128.6.0 | 134.0128.6.0 |
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free