CVE-2026-85745

medium

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, ST_Area reads beyond the allocated buffer when processing invalid WKB for a MultiPolygon because the multi-polygon parser advances past a nested geometry header without first verifying enough input remains. A low-privileged remote attacker can supply malformed spatial data to disclose memory useful for bypassing ASLR as part of a multi-vulnerability chain. 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.

References

https://jira.mariadb.org/browse/MDEV-40328

https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8

https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2

https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3

https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9

https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13

https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28

https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19

https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-102942

Details

Source: Mitre, NVD

Published: 2026-10-16

Updated: 2026-10-16

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Medium