This update for MozillaThunderbird to version 68.2.1 provides the following fixes:

- Security issues fixed (bsc#1154738):
* CVE-2019-15903: Fixed a heap overflow in the expat library (bsc#1149429).
* CVE-2019-11757: Fixed a use-after-free when creating index updates in IndexedDB (bsc#1154738).
* CVE-2019-11758: Fixed a potentially exploitable crash due to 360 Total Security (bsc#1154738).
* CVE-2019-11759: Fixed a stack buffer overflow in HKDF output (bsc#1154738).
* CVE-2019-11760: Fixed a stack buffer overflow in WebRTC networking (bsc#1154738).
* CVE-2019-11761: Fixed an unintended access to a privileged JSONView object (bsc#1154738).
* CVE-2019-11762: Fixed a same-origin-property violation (bsc#1154738).
* CVE-2019-11763: Fixed an XSS bypass (bsc#1154738).
* CVE-2019-11764: Fixed several memory safety bugs (bsc#1154738).

Other fixes (bsc#1153879):
* Some attachments couldn't be opened in messages originating from MS Outlook 2016.
* Address book import from CSV.
* Performance problem in message body search.
* Ctrl+Enter to send a message would open an attachment if the attachment pane had focus.
* Calendar: Issues with "Today Pane" start-up.
* Calendar: Glitches with custom repeat and reminder number input.
* Calendar: Problems with WCAP provider.
* A language for the user interface can now be chosen in
the advanced settings
* Fixed an issue with Google authentication (OAuth2)
* Fixed an issue where selected or unread messages were not
shown in the correct color in the thread pane under some
circumstances
* Fixed an issue where when using a language pack, names of
standard folders were not localized (bsc#1149126)
* Fixed an issue where the address book default startup directory
in preferences panel not persisted
* Fixed various visual glitches
* Fixed issues with the chat
* Fixed building with rust >= 1.38.
* Fixrd LTO build without PGO.
* Removed kde.js since disabling instantApply breaks extensions and is now obsolete with
the move to HTML views for preferences. (bsc#1151186)
* Updated create-tar.sh. (bsc#1152778)
* Deactivated the crashreporter for the last remaining arch.

This update was imported from the SUSE:SLE-15:Update update project.