CVE-2026-107817

Medium

Description

MariaDB server is a community developed fork of MySQL server. From 10.6.1 until 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2, the mysql_json plugin assumed that imported MySQL tables contained valid MySQL binary JSON data. A specially prepared MySQL table containing invalid JSON data could cause out-of-bounds reads, information disclosure, or a server crash. This issue is fixed in versions 10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, and 13.0.2.

SeverityMedium
CVSS4.4
Exploit probability—
ProductMariadb
PublishedOct 9, 2026
First seenOct 9, 2026

How to fix

Update
  • mariadb mariadb10.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2 or later

Affected products

ProductAffected versionsFixed in
mariadb mariadb10.6.1 ≤ v < 10.6.28, 10.11.1 ≤ v < 10.11.19, 11.4.1 ≤ v < 11.4.13, 11.8.1 ≤ v < 11.8.9, 12.3.1 ≤ v < 12.3.3, 13.0.1 ≤ v < 13.0.210.6.28, 10.11.19, 11.4.13, 11.8.9, 12.3.3, 13.0.2

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