These are all security issues fixed in the libXext-devel-1.3.3-3.19 package on the GA media of openSUSE Tumbleweed.
{ "binaries": [ { "libXext-devel-32bit": "1.3.3-3.19", "libXext-devel": "1.3.3-3.19", "libXext6": "1.3.3-3.19", "libXext6-32bit": "1.3.3-3.19" } ] }