{"id":"CVE-2026-85745","title":"MariaDB: Out-of-bound buffer read on in `ST_Area` of a multipolygon.","summary":"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 …","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-126"],"vendor":"MariaDB","product":"server","affected":["server >= 10.6.1, < 10.6.28","server >= 10.11.1, < 10.11.19","server >= 11.4.1, < 11.4.13","server >= 11.8.1, < 11.8.9","server >= 12.3.1, < 12.3.3","server >= 13.0.1, < 13.0.2"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T16:30:30.866Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85745","references":[{"url":"https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8","label":"https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8"},{"url":"https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce","label":"https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19","label":"https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28","label":"https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13","label":"https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9","label":"https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3","label":"https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3"},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2","label":"https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"},{"url":"https://jira.mariadb.org/browse/MDEV-40328","label":"https://jira.mariadb.org/browse/MDEV-40328"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T17:24:46.889Z","slug":"CVE-2026-85745","body":"## Overview\n\nMariaDB 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.\n\n## Affected\n\n- `server >= 10.6.1, < 10.6.28`\n- `server >= 10.11.1, < 10.11.19`\n- `server >= 11.4.1, < 11.4.13`\n- `server >= 11.8.1, < 11.8.9`\n- `server >= 12.3.1, < 12.3.3`\n- `server >= 13.0.1, < 13.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}