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CVE-2026-85748

nvd nist
Published: Oct 16, 2026Modified: Oct 20, 2026

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9.9
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploitability: 3.1 / Impact: 6.0
Source: security-advisories@github.com (Secondary)

Description

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.

Affected (2)

Products: Mariadb: Mariadb
Mariadb
1 product
Mariadb
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mariadb
Mariadb
12.3.1 ≤ version < 12.3.3
Mariadb
Version 13.0.1

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (7)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Vendor Advisory
Source: security-advisories@github.com
Issue Tracking
Source: security-advisories@github.com
Issue Tracking

Timeline

No history available yet.