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9.9 Critical

CVE-2026-85746 MariaDB server is a community developed fork of MySQL server

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_AsText can write beyond an allocated output buffer when converting deeply nested GeometryCollections because recursive WKT serialization does not account for bytes consumed or reserve sufficient space. A low-privileged remote attacker can submit a specially crafted GIS object to corrupt memory and potentially achieve code execution when combined with another vulnerability. 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.

Affected products and versions

Product Affected versions Fixed in
server 13.0 13.0.1 → < 13.0.2 13.0.2
server 12.3 12.3.1 → < 12.3.3 12.3.3
server 11.8 11.8.1 → < 11.8.9 11.8.9
server 11.4 11.4.1 → < 11.4.13 11.4.13
server 10.11 10.11.1 → < 10.11.19 10.11.19
server 10.6 10.6.1 → < 10.6.28 10.6.28

References

Timeline

  1. Published
  2. Last modified

Other CVEs of server

The 27 CVEs of server →
CVE-2026-102523 MariaDB server: Authorization bypass via ALTER TABLE ... CONVERT ... PARTITION 8.0 High CVE-2026-86047 MariaDB server is a community developed fork of MySQL server 7.7 High CVE-2026-85745 MariaDB server is a community developed fork of MySQL server 4.3 Medium CVE-2026-85748 MariaDB server is a community developed fork of MySQL server 9.9 Critical
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