These are all security issues fixed in the djvulibre-3.5.28-3.2 package on the GA media of openSUSE Tumbleweed.
{ "binaries": [ { "libdjvulibre-devel": "3.5.28-3.2", "libdjvulibre21": "3.5.28-3.2", "djvulibre-doc": "3.5.28-3.2", "djvulibre": "3.5.28-3.2" } ] }