This update for MozillaThunderbird fixes the following issues:
Updated to version 91.7 (bsc#1196900):
CVE-2022-26381: Fixed an invalid memory access due to text reflow when SVG
objects were present.
CVE-2022-26383: Fixed an issue where, when resizing a popup after requesting
fullscreen access, the popup would not display the fullscreen notification.
CVE-2022-26384: Fixed an iframe XSS sandbox bypass when allow-popups was used
on the iframe.
CVE-2022-26386: Fixed an issue where downloadable temporary files were
accessible to other local users.
CVE-2022-26387: Fixed a potential add-on signature verification bypass due to
a race condition.