These are all security issues fixed in the libgit2-28-0.28.4-1.28 package on the GA media of SUSE Linux Enterprise Module for Development Tools 15 SP3.
SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Module for Development Tools 15 SP3 SUSE Linux Enterprise Module for Python2 packages 15 SP1 SUSE Linux Enterprise Module for Server Applications 15 SP1 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Manager Proxy 4.2 SUSE Manager Server 4.2