CVE-2026-107817: medium-severity vulnerability in MariaDB server
MariaDB: mysql_json plugin OOB reads
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.4epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Affected products
MariaDB · serverRelated CVEs — MariaDB server
In the same product, most dangerous first.
CVE-2026-49261CRITICALMariaDB server has unsafe parameter handling in `wsrep_notify_cmd`EPSS 1.6%CVE-2026-48165HIGHMariaDB: unsafe usage of `wsrep_sst_receive_address` values on the joiner sideEPSS 1.5%CVE-2026-92262CRITICALMariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.EPSS 1.5%CVE-2026-107815HIGHMariaDB: one byte OOB write in DOS tables of the CONNECT engineEPSS 1.4%CVE-2026-44170MEDIUMMariaDB: Argument injection in CONNECT REST Xcurl on Windows via unsanitized URLEPSS 1.3%CVE-2026-97380HIGHMariaDB: GRANT PROXY with empty password incorrectly checks grantor's privilegesEPSS 1.3%
References
https://github.com/MariaDB/server/commit/851f52470d470a96a66e0b7e5599f3b6c2e45907https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2https://github.com/MariaDB/server/security/advisories/GHSA-89ph-64cf-gqcchttps://jira.mariadb.org/browse/MDEV-40678