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 2026-10-24 ALAS2023-2026-3308 Fixed
Amazon Linux 2027 Preview mariadb1011 2026-10-28 ALAS2027-2026-246 Fixed
Amazon Linux 2023 mariadb105 No Fix Planned
Amazon Linux 2023 mariadb114 2026-10-24 ALAS2023-2026-3309 Fixed
Amazon Linux 2027 Preview mariadb114 2026-10-28 ALAS2027-2026-247 Fixed
Amazon Linux 2023 mariadb118 2026-10-24 ALAS2023-2026-3310 Fixed
Amazon Linux 2027 Preview mariadb118 2026-10-28 ALAS2027-2026-255 Fixed
Amazon Linux 2023 mariadb123 2026-10-24 ALAS2023-2026-3311 Fixed
Amazon Linux 2027 Preview mariadb123 2026-10-28 ALAS2027-2026-257 Fixed
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