MariaDB: `qc_info` plugin can do OOB reads if query contains \0

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-107816 · Microsoft / collected KEV context

cve-program · CVE-2026-107816

• https://github.com/MariaDB/server/security/advisories/GHSA-wfqg-88r5-55f6
• https://github.com/MariaDB/server/commit/0931994096b84ecc9ffc8eb3517c7e09e6e8631e
• https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19
• https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28
• https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13
• https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9
• https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3
• https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2
• https://jira.mariadb.org/browse/MDEV-40670

No related operational record is retained in the current change model.