For the record, I already did the packaging last weekend and salsa.debian.org has updates for both 10.3 and 10.5 ready. Now just waiting for people to respond to various bug reports and follow-ups.
- Bug#988428: mariadb-10.5: CVE-2021-2154 CVE-2021-2166 Salvatore Bonaccorso
- Bug#988428: [debian-mysql] Bug#988428: mariadb-1... Otto Kekäläinen
- Bug#988428: [debian-mysql] Bug#988428: mariadb-1... Otto Kekäläinen