CVE-2026-107816

Public on 2026-10-09
Modified on 2026-10-10
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 qc_info plugin could be confused by a query containing embedded null bytes. Reading information_schema.query_cache_info after such a query was cached could access data beyond the end of a heap-allocated buffer, potentially disclosing adjacent memory or crashing the server. 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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
5.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core mariadb Pending Fix
Amazon Linux 2023 mariadb-connector-c Not Affected
Amazon Linux 2027 Preview mariadb-connector-c Not Affected
Amazon Linux 2023 mariadb1011 Pending Fix
Amazon Linux 2027 Preview mariadb1011 Pending Fix
Amazon Linux 2023 mariadb105 No Fix Planned
Amazon Linux 2023 mariadb114 Pending Fix
Amazon Linux 2027 Preview mariadb114 Pending Fix
Amazon Linux 2023 mariadb118 Pending Fix
Amazon Linux 2027 Preview mariadb118 Pending Fix
Amazon Linux 2023 mariadb123 Pending Fix
Amazon Linux 2027 Preview mariadb123 Pending Fix
Amazon Linux 2023 perl-DBD-MariaDB Not Affected
Amazon Linux 2027 Preview perl-DBD-MariaDB Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L