CVE-2026-85748: server >= 12.3.1, < 12.3.3, >= 13.0.1, < 13.0.2

Affected technology

server · >= 12.3.1, < 12.3.3, >= 13.0.1, < 13.0.2
MariaDB

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

A low-privileged attacker can open a large number of SYS_REFCURSORs and then fetch one to trigger a use-after-free that can enable remote code execution when combined with another vulnerability. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high.