- Mozilla Thunderbird 91.7.0
* Thunderbird will use the first occurrence of headers that should
only appear once
* Auto-complete incorrectly changed a pasted email address to the
primary address of a contact
* Attachments with filename extensions that were not registered in
MIME types could not be opened
* Copy/Cut/Paste actions not working in Thunderbird Preferences
* Improved screen reader support of displayed message headers
MFSA 2022-12 (bsc#1196900)
* CVE-2022-26383 (bmo#1742421)
Browser window spoof using fullscreen mode
* CVE-2022-26384 (bmo#1744352)
iframe allow-scripts sandbox bypass
* CVE-2022-26387 (bmo#1752979)
Time-of-check time-of-use bug when verifying add-on signatures
* CVE-2022-26381 (bmo#1736243)
Use-after-free in text reflows
* CVE-2022-26386 (bmo#1752396)
Temporary files downloaded to /tmp and accessible by other
local users

- Mozilla Thunderbird 91.6.2
MFSA 2022-09
* CVE-2022-26485 (bmo#1758062)
Use-after-free in XSLT parameter processing
* CVE-2022-26486 (bmo#1758070)
Use-after-free in WebGPU IPC Framework