SUSE Security Update: Security update for MozillaThunderbird
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:0661-1
Rating:             important
References:         #1182357 #1182614 
Cross-References:   CVE-2021-23968 CVE-2021-23969 CVE-2021-23973
                    CVE-2021-23978
CVSS scores:
                    CVE-2021-23968 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-23969 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-23973 (SUSE): 3.1
 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
                    CVE-2021-23978 (SUSE): 8.1
 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Workstation Extension 15-SP2
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   An update that fixes four vulnerabilities is now available.

Description:

   This update for MozillaThunderbird fixes the following issues:

   - Mozilla Thunderbird 78.8
     * fixed: Importing an address book from a CSV file always reported an
       error
     * fixed: Security information for S/MIME messages was not displayed
       correctly prior to a draft being saved
     * fixed: Calendar: FileLink UI fixes for Caldav calendars
     * fixed: Recurring tasks were always marked incomplete; unable to use
       filters
     * fixed: Various UI widgets not working
     * fixed: Dark theme improvements
     * fixed: Extension manager was missing link to addon support web page
     * fixed: Various security fixes MFSA 2021-09 (bsc#1182614)
     * CVE-2021-23969: Content Security Policy violation report could have
       contained the destination of a redirect
     * CVE-2021-23968: Content Security Policy violation report could have
       contained the destination of a redirect
     * CVE-2021-23973: MediaError message property could have leaked
       information about cross-origin resources
     * CVE-2021-23978: Memory safety bugs fixed in Thunderbird 78.8


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-SP2-2021-661=1



Package List:

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

      MozillaThunderbird-78.8.0-8.15.4
      MozillaThunderbird-debuginfo-78.8.0-8.15.4
      MozillaThunderbird-debugsource-78.8.0-8.15.4
      MozillaThunderbird-translations-common-78.8.0-8.15.4
      MozillaThunderbird-translations-other-78.8.0-8.15.4


References:

   https://www.suse.com/security/cve/CVE-2021-23968.html
   https://www.suse.com/security/cve/CVE-2021-23969.html
   https://www.suse.com/security/cve/CVE-2021-23973.html
   https://www.suse.com/security/cve/CVE-2021-23978.html
   https://bugzilla.suse.com/1182357
   https://bugzilla.suse.com/1182614