These are all security issues fixed in the libgit2-26-0.26.8-3.8.1 package on the GA media of SUSE Linux Enterprise Module for Development Tools 15 SP2.
openSUSE Leap 15.1 SUSE Linux Enterprise Desktop 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Module for Development Tools 15 SP2 SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Storage 7 SUSE Manager Proxy 4.1 SUSE Manager Server 4.1 SUSE OpenStack Cloud 9