MariaDB v10.4 to v10.7 was discovered to contain an use-after-poison in prepare_inplace_add_virtual at /storage/innobase/handler/handler0alter.cc. MariaDB v10.5 to v10.7 was discovered to contain an assertion failure at table-greater than get_ref_count == 0 in dict0dict.cc. MariaDB v10.2 to v10.7 was discovered to contain a segmentation fault via the component sub_select