This update for MozillaThunderbird fixes the following issues:
Mozilla Thunderbird was updated to version 115.0.1 (bsc#1212438):
CVE-2023-3417: Fixed File Extension Spoofing using the Text Direction Override Character (bmo#1835582).
Bugfixes:
changed: Added Thunderbird Supernova branding to about:dialog (bmo#1842102)