| Package | Affected versions | Patched versions |
|---|---|---|
| thunderbird | < 91.4.0 | 91.4.0 |
Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
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