| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 127.0 | 127.0 |
| firefox esr | < 115.12 | 115.12 |
| thunderbird | < 115.12 | 115.12 |
By tricking the browser with a `X-Frame-Options` header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
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