In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-util.c` in the function `ofputil_pull_ofp15_group_mod`.
openSUSE Leap 42.3 SUSE Linux Enterprise Real Time Extension 12 SP1 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE OpenStack Cloud 6