openSUSE: 2021:2023-2 Moderate Security Update for Firefox Released

This update for MozillaThunderbird fixes the following issues:

- Mozilla Thunderbird 78.4.2 MFSA 2020-49 (bsc#1178611)

* CVE-2020-26950 (bmo#1675905) Write side effects in MCallGetProperty

opcode not accounted for

- Mozilla Thunderbird 78.4.1

* new: Thunderbird prompts for an address to use when starting an email

from an address book entry with multiple addresses (bmo#84028)

* fixed: Searching global search results did not work (bmo#1664761)

* fixed: Link location was not focused by default when adding a

hyperlink in message composer (bmo#1670660)

* fixed: Advanced address book search dialog was unusable (bmo#1668147)

* fixed: Encrypted draft reply emails lost "Re:" prefix (bmo#1661510)

* fixed: Replying to a newsgroup message did not open the compose window

(bmo#1672667)

* fixed: Unable to delete multiple newsgroup messages (bmo#1657988)

* fixed: Appmenu displayed visual glitches...