There is an Assertion failure in MariaDB Server v10.9 and below via 'node->pcur->rel_pos == BTR_PCUR_ON' at /row/row0mysql.cc.
The MITRE CVE dictionary describes this issue as:
There is an Assertion failure in MariaDB Server v10.9 and below via 'node->pcur->rel_pos == BTR_PCUR_ON' at /row/row0mysql.cc.