An issue in the component Used_tables_and_const_cache::used_tables_and_const_cache_join of MariaDB Server v10.7 and below was discovered to allow attackers to cause a Denial of Service (DoS) via specially crafted SQL statements. https://jira.mariadb.org/browse/MDEV-26415
Upstream commit: https://github.com/MariaDB/server/commit/ff77a09bda884fe6bf3917eb29b9d3a2f53f919b
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Extended Update Support Via RHSA-2022:4818 https://access.redhat.com/errata/RHSA-2022:4818
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-27385