Security update for MozillaThunderbird (Important)
Description:
This update for MozillaThunderbird fixes the following issues:
Mozilla Thunderbird 78.11 (bsc#1186696)
Security issues fixed:
- CVE-2021-29964: Out of bounds-read when parsing a `WM_COPYDATA` message - CVE-2021-29967: Memory safety bugs fixed in Thunderbird 78.11
General improvements:
- OpenPGP could not be disabled for an account if a key was previously configured - Recipients were unable to decrypt some messages when the sender had changed the message encryption from OpenPGP to S/MIME - Contacts moved between CardDAV address books were not synced to the new server - CardDAV compatibility fixes for Google Contacts - Folder pane had no clear indication of focus on macOS