| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≥ 154.0.0, < 156.0.0< 153.3.0 | 156.0.0153.3.0 |
| thunderbird | ≥ 154.0, < 156.0< 153.3.0 | 156.0153.3.0 |
Site isolation issue in the Reader Mode component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
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