Security update for MozillaThunderbird (moderate)

An update that fixes one vulnerability is now available.

Description:

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 (bmo#1636243)
  • fixed: Visual glitches when selecting multiple messages in the message
    pane and using Ctrl+click (bmo#1671800)
  • fixed: Switching between dark and light mode could lead to unreadable
    text on macOS (bmo#1668989)

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

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Leap 15.2:

  zypper in -t patch openSUSE-2020-2022=1