CVE-2026-107817GHSA-89ph-64cf-gqcc
server: MariaDB: mysql_json plugin OOB reads
MariaDB serverDatabases
CVSS
4.4MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.14%Chance of exploitation activity in the next 30 days, higher than 2% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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 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.
Text from CVE List
Affected versions 6
- serveraffected: >= 10.6.1, < 10.6.28CVE List
- serveraffected: >= 10.11.1, < 10.11.19CVE List
- serveraffected: >= 11.4.1, < 11.4.13CVE List
- serveraffected: >= 11.8.1, < 11.8.9CVE List
- serveraffected: >= 12.3.1, < 12.3.3CVE List
- serveraffected: >= 13.0.1, < 13.0.2CVE List
References 9
- github.com/MariaDB/server/commit/851f52470d470a96a66e0b7e5599f3b6c2e45907Fixvia CVE List
- github.com/MariaDB/server/releases/tag/mariadb-10.11.19Fixvia CVE List
- github.com/MariaDB/server/releases/tag/mariadb-10.6.28Fixvia CVE List
- github.com/MariaDB/server/releases/tag/mariadb-11.4.13Fixvia CVE List
- github.com/MariaDB/server/releases/tag/mariadb-11.8.9Fixvia CVE List
- github.com/MariaDB/server/releases/tag/mariadb-12.3.3Fixvia CVE List
- github.com/MariaDB/server/releases/tag/mariadb-13.0.2Fixvia CVE List
- github.com/MariaDB/server/security/advisories/GHSA-89ph-64cf-gqccAdvisoryvia CVE List
- jira.mariadb.org/browse/MDEV-40678Referencevia CVE List