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CVE-2026-85748

Updated on 16 Oct 2026

Severity

9.9 Critical severity

Details

CVSS score
9.9
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

MariaDB server is a community developed fork of MySQL server. From 12.3.1 until 12.3.3 and 13.0.2, SYS_REFCURSOR handling is affected because cursor-array reallocation can leave stale references in routine contexts. 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. This issue is fixed in versions 12.3.3 and 13.0.2.

Details

Affected product:
AlmaLinux 9.2 ESU , Alpine Linux 3.18 ELS , CentOS 7 ELS , CloudLinux 7 ELS , Debian 10 ELS , Debian 11 ELS , EL 7 , EL 8 , EL 9 , Oracle Linux 7 ELS , RHEL 7 ELS , TuxCare 9.6 ESU , TuxCare 9.8 ESU
Affected packages:
MariaDB @ 10.6.20 (+24 more)

Fixes