This update for MozillaThunderbird fixes the following issues:

- Mozilla Thunderbird 68.5 (bsc#1162777)
MFSA 2020-07 (bsc#1163368)
* CVE-2020-6793 (bmo#1608539)
Out-of-bounds read when processing certain email messages
* CVE-2020-6794 (bmo#1606619)
Setting a master password post-Thunderbird 52 does not delete
unencrypted previously stored passwords
* CVE-2020-6795 (bmo#1611105)
Crash processing S/MIME messages with multiple signatures
* CVE-2020-6797 (bmo#1596668)
Extensions granted downloads.open permission could open
arbitrary applications on Mac OSX
* CVE-2020-6798 (bmo#1602944)
Incorrect parsing of template tag could result in JavaScript
injection
* CVE-2020-6792 (bmo#1609607)
Message ID calculcation was based on uninitialized data
* CVE-2020-6800 (bmo#1595786, bmo#1596706, bmo#1598543,
bmo#1604851, bmo#1605777, bmo#1608580, bmo#1608785)
Memory safety bugs fixed in Thunderbird 68.5

* new: Support for Client Identity IMAP/SMTP Service Extension
(bmo#1532388)
* new: Support for OAuth 2.0 authentication for POP3 accounts
(bmo#1538409)
* fixed: Status area goes blank during account setup
(bmo#1593122)
* fixed: Calendar: Could not remove color for default
categories (bmo#1584853)
* fixed: Calendar: Prevent calendar component loading multiple
times (bmo#1606375)
* fixed: Calendar: Today pane did not retain width between
sessions (bmo#1610207)
* unresolved: When upgrading from Thunderbird version 60 to
version 68, add-ons are not automatically updated during the
upgrade process. They will however be updated during the add-
on update check. It is of course possible to reinstall
compatible add-ons via the Add-ons Manager or via
addons.thunderbird.net. (bmo#1574183)
* changed: Calendar: Task and Event tree colours adjusted for
the dark theme (bmo#1608344)
* fixed: Retrieval of S/MIME certificates from LDAP failed
(bmo#1604773)
* fixed: Address-parsing crash on some IMAP servers when
preference mail.imap.use_envelope_cmd was set (bmo#1609690)
* fixed: Incorrect forwarding of HTML messages caused SMTP
servers to respond with a timeout (bmo#1222046)
* fixed: Calendar: Various parts of the calendar UI stopped
working when a second Thunderbird window opened (bmo#1608407)

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