These are all security issues fixed in the libmatio-devel-1.5.21-1.2 package on the GA media of openSUSE Tumbleweed.
{ "binaries": [ { "libmatio-devel": "1.5.21-1.2", "libmatio11": "1.5.21-1.2", "matio-tools": "1.5.21-1.2" } ] }