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CVE-2026-107816 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/MariaDB/server/commit/0931994096b84ecc9ffc8eb3517c7e09e6e8631e	[email protected]	Patch
https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19	[email protected]	Release Notes
https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28	[email protected]	Release Notes
https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13	[email protected]	Release Notes
https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9	[email protected]	Release Notes
https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3	[email protected]	Release Notes
https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2	[email protected]	Release Notes
https://github.com/MariaDB/server/security/advisories/GHSA-wfqg-88r5-55f6	[email protected]	Vendor Advisory
https://jira.mariadb.org/browse/MDEV-40670	[email protected]	Issue Tracking

see all 9 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

Product	Versions
mariadb mariadb	>= 10.6.1, < 10.6.28 >= 10.11.1, < 10.11.19 >= 11.4.1, < 11.4.13 >= 11.8.1, < 11.8.9 >= 12.3.1, < 12.3.3
CPE cpe:2.3:a:mariadb:mariadb:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 14, 2026	Initial Analysis	[email protected]
Oct 13, 2026	CVE Modified	CISA-ADP
Oct 9, 2026	New CVE Received	[email protected]