Description
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/MariaDB/server/security/advisories/GHSA-9pjh-5hhw-65v9
X_Refsource_Misc x_refsource_misc
https://jira.mariadb.org/browse/MDEV-39408
Scores
CVSS v3
6.3
EPSS
0.0015
EPSS Percentile
4.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (5)
MariaDB/server
>= 10.11.1, < 10.11.17
MariaDB/server
>= 10.6.1, < 10.6.26
MariaDB/server
>= 11.4.1, < 11.4.11
MariaDB/server
>= 11.8.1, < 11.8.7
MariaDB/server
>= 12.3.1, < 12.3.2
Published
Jun 12, 2026
Tracked Since
Jun 12, 2026