openSUSE Security Update: Security update for MozillaThunderbird

Announcement ID:    openSUSE-SU-2021:2458-1
Rating:             important
References:         #1188275 
Cross-References:   CVE-2021-29969 CVE-2021-29970 CVE-2021-29976
CVSS scores:
                    CVE-2021-29969 (SUSE): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
                    CVE-2021-30547 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:
                    openSUSE Leap 15.3

   An update that fixes four vulnerabilities is now available.


   This update for MozillaThunderbird fixes the following issues:

   Mozilla Thunderbird 78.12

     * fixed: Sending an email containing HTML links with spaces in the URL
       sometimes resulted in broken links
     * fixed: Folder Pane display theme fixes for macOS
     * fixed: Chat account settings did not always save as expected
     * fixed: RSS feed subscriptions sometimes lost
     * fixed: Calendar: A parsing error for alarm triggers of type "DURATION"
       caused sync problems for some users
     * fixed: Various security fixes

   MFSA 2021-30 (bsc#1188275)

   * CVE-2021-29969: IMAP server responses sent by a MITM prior to STARTTLS
     could be processed
   * CVE-2021-29970: Use-after-free in accessibility features of a document
   * CVE-2021-30547: Out of bounds write in ANGLE
   * CVE-2021-29976: Memory safety bugs fixed in Thunderbird 78.12

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 15.3:

      zypper in -t patch openSUSE-SLE-15.3-2021-2458=1

Package List:

   - openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):