MariaDB v10.4 to v10.8 was discovered to contain a segmentation fault via the component Item_field::fix_outer_field.

MariaDB v10.2 to v10.6.1 was discovered to contain a segmentation fault via the component Item_subselect::init_expr_cache_tracker.

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 v10.2 to v10.7 was discovered to contain a segmentation fault via the component Item_func_in::cleanup/Item::cleanup_processor.

MariaDB v10.5 to v10.7 was discovered to contain a segmentation fault via the component st_select_lex_unit::exclude_level.

MariaDB v10.2 to v10.7 was discovered to contain a segmentation fault via the component Item_args::walk_args.

MariaDB v10.2 to v10.7 was discovered to contain a segmentation fault via the component Exec_time_tracker::get_loops/Filesort_tracker::report_use/filesort.

MariaDB v10.2 to v10.7 was discovered to contain a segmentation fault via the component sub_select.

MariaDB v10.5 to v10.7 was discovered to contain an assertion failure at table->get_ref_count() == 0 in dict0dict.cc.

MariaDB Server before 10.7 is vulnerable to Denial of Service. While executing the plugin/server_audit/server_audit.c method log_statement_ex, the held lock lock_bigbuffer is not released correctly, which allows local users to trigger a denial of service due to the deadlock.