Security update for MozillaThunderbird (critical)

An update that fixes 8 vulnerabilities is now available.

Description:

This update for MozillaThunderbird fixes the following issues:

• Mozilla Thunderbird 78.6
  • new: MailExtensions: Added browser.windows.openDefaultBrowser()
    (bmo#1664708)
  • changed: Thunderbird now only shows quota exceeded indications on the
    main window (bmo#1671748)
  • changed: MailExtensions: menus API enabled in messages being composed
    (bmo#1670832)
  • changed: MailExtensions: Honor allowScriptsToClose argument in
    windows.create API function (bmo#1675940)
  • changed: MailExtensions: APIs that returned an accountId will reflect
    the account the message belongs to, not what is stored in message
    headers (bmo#1644032)
  • fixed: Keyboard shortcut for toggling message “read” status not shown
    in menus (bmo#1619248)
  • fixed: OpenPGP: After importing a secret key, Key Manager displayed
    properties of the wrong key (bmo#1667054)
  • fixed: OpenPGP: Inline PGP parsing improvements (bmo#1660041)
  • fixed: OpenPGP: Discovering keys online via Key Manager sometimes
    failed on Linux (bmo#1634053)
  • fixed: OpenPGP: Encrypted attachment “Decrypt and Open/Save As” did
    not work (bmo#1663169)
  • fixed: OpenPGP: Importing keys failed on macOS (bmo#1680757)
  • fixed: OpenPGP: Verification of clear signed UTF-8 text failed
    (bmo#1679756)
  • fixed: Address book: Some columns incorrectly displayed no data
    (bmo#1631201)
  • fixed: Address book: The address book view did not update after
    changing the name format in the menu (bmo#1678555)
  • fixed: Calendar: Could not import an ICS file into a CalDAV calendar
    (bmo#1652984)
  • fixed: Calendar: Two “Home” calendars were visible on a new profile
    (bmo#1656782)
  • fixed: Calendar: Dark theme was incomplete on Linux (bmo#1655543)
  • fixed: Dark theme did not apply to new mail notification popups
    (bmo#1681083)
  • fixed: Folder icon, message list, and contact side bar visual
    improvements (bmo#1679436)
  • fixed: MailExtensions: HTTP refresh in browser content tabs did not
    work (bmo#1667774)
  • fixed: MailExtensions: messageDisplayScripts failed to run in main
    window (bmo#1674932)
  • fixed: Various security fixes MFSA 2020-56 (bsc#1180039)
  • CVE-2020-16042 (bmo#1679003) Operations on a BigInt could have caused
    uninitialized memory to be exposed
  • CVE-2020-26971 (bmo#1663466) Heap buffer overflow in WebGL
  • CVE-2020-26973 (bmo#1680084) CSS Sanitizer performed incorrect
    sanitization
  • CVE-2020-26974 (bmo#1681022) Incorrect cast of StyleGenericFlexBasis
    resulted in a heap use-after-free
  • CVE-2020-26978 (bmo#1677047) Internal network hosts could have been
    probed by a malicious webpage
  • CVE-2020-35111 (bmo#1657916) The proxy.onRequest API did not catch
    view-source URLs
  • CVE-2020-35112 (bmo#1661365) Opening an extension-less download may
    have inadvertently launched an executable instead
  • CVE-2020-35113 (bmo#1664831, bmo#1673589) Memory safety bugs fixed in
    Thunderbird 78.6

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-2020-2317=1