This update for MozillaThunderbird fixes the following issues:
Mozilla Thunderbird was updated to 60.7.2 / MFSA 2019-20 (boo#1138872): * CVE-2019-11707: Type confusion in Array.pop * CVE-2019-11708: sandbox escape using Prompt:Open
Mozilla Thunderbird was updated to 60.7.1 / MFSA 2019-17 (boo#1137595): * CVE-2019-11703: Heap buffer overflow in icalparser.c * CVE-2019-11704: Heap buffer overflow in icalvalue.c * CVE-2019-11705: Stack buffer overflow in icalrecur.c * CVE-2019-11706: Type confusion in icalproperty.c
Also fixed: No prompt for smartcard PIN when S/MIME signing is used
Mozilla Thunderbird was updated to 60.7.0 / MFSA 2019-15 (boo#1135824):
Attachment pane of Write window no longer focussed when attaching files using a keyboard shortcut
CVE-2019-9815: Disable hyperthreading on content JavaScript threads on macOS
CVE-2019-9800: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7
Disable building with LTO (boo#1133267).