These are all security issues fixed in the cmark-0.30.3-1.1 package on the GA media of openSUSE Tumbleweed.
{ "binaries": [ { "cmark-devel": "0.30.3-1.1", "libcmark0_30_3": "0.30.3-1.1", "cmark": "0.30.3-1.1" } ] }