| Package | Affected versions | Patched versions |
|---|---|---|
| thunderbird | ≥ 154.0, < 155.0< 153.2.0 | 155.0153.2.0 |
Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This vulnerability was fixed in Thunderbird 154 and Thunderbird 153.2.
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