A Mozilla Thunderbird update has been released for openSUSE Leap 42.2 and 43.3:
openSUSE-SU-2017:2209-1: important: Security update for MozillaThunderbirdThunderbird / Openvswitch Updates for SUSE
Also, an openvswitch update for SUSE Linux Enterprise Server 12-SP3 is available:
SUSE-SU-2017:2212-1: important: Security update for openvswitch