These are all security issues fixed in the libproxy-devel-0.4.13-16.3 package on the GA media of SUSE Linux Enterprise Software Development Kit 12 SP4.
SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Software Development Kit 12 SP4