| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 153.1.0 | 153.1.0 |
| thunderbird | < 153.1.0 | 153.1.0 |
Site isolation issue in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
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