SUSE-SU-2021:0123-1: important: Security update for MozillaThunderbird

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for MozillaThunderbird
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:0123-1
Rating:             important
References:         #1180623 
Cross-References:   CVE-2020-16044
Affected Products:
                    SUSE Linux Enterprise Workstation Extension 15-SP2
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for MozillaThunderbird fixes the following issues:

   - Mozilla Thunderbird 78.6.1
     * changed: MailExtensions: browserAction, composeAction, and
       messageDisplayAction toolbar buttons now support label and
       default_label properties (bmo#1583478)
     * fixed: Running a quicksearch that returned no results did not
       offer to re-run as a global search (bmo#1663153)
     * fixed: Message search toolbar fixes (bmo#1681010)
     * fixed: Very long subject lines distorted the message compose and
       display windows, making them unusable (bmo#77806)
     * fixed: Compose window: Recipient addresses that had not yet been
       autocompleted were lost when clicking Send button (bmo#1674054)
     * fixed: Compose window: New message is no longer marked as "changed"
       just from tabbing out of the recipient field without editing anything
       (bmo#1681389)
     * fixed: Account autodiscover fixes when using MS Exchange servers
       (bmo#1679759)
     * fixed: LDAP address book stability fix (bmo#1680914)
     * fixed: Messages with invalid vcard attachments were not marked as read
       when viewed in the preview window (bmo#1680468)
     * fixed: Chat: Could not add TLS certificate exceptions for XMPP
       connections (bmo#1590471)
     * fixed: Calendar: System timezone was not always properly detected
       (bmo#1678839)
     * fixed: Calendar: Descriptions were sometimes blank when editing a
       single occurrence of a repeating event (bmo#1664731)
     * fixed: Various printing bugfixes (bmo#1676166)
     * fixed: Visual consistency and theme improvements (bmo#1682808) MFSA
       2021-02 (bsc#1180623)
     * CVE-2020-16044 (bmo#1683964) Use-after-free write when handling a
       malicious COOKIE-ECHO SCTP chunk


Patch Instructions:

   To install this SUSE 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:

   - SUSE Linux Enterprise Workstation Extension 15-SP2:

      zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2021-123=1



Package List:

   - SUSE Linux Enterprise Workstation Extension 15-SP2 (x86_64):

      MozillaThunderbird-78.6.1-8.6.1
      MozillaThunderbird-debuginfo-78.6.1-8.6.1
      MozillaThunderbird-debugsource-78.6.1-8.6.1
      MozillaThunderbird-translations-common-78.6.1-8.6.1
      MozillaThunderbird-translations-other-78.6.1-8.6.1


References:

   https://www.suse.com/security/cve/CVE-2020-16044.html
   https://bugzilla.suse.com/1180623