CVE-2026-85745: CWE-126: Buffer Over-read in MariaDB 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_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.
CVSS v3.1
Score 4.3medium
Affected software
MariaDB
server
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-09-04T14:50:16.720Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad255922cdf04f6560d50b2
Added to database: 10/16/2026, 16:49:22 UTC
Last updated: 10/16/2026, 16:49:22 UTC
Views: 1
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