{"id":"CVE-2026-85745","state":"PUBLISHED","title":"MariaDB: Out-of-bound buffer read on in `ST_Area` of a multipolygon.","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.","publishedAt":"2026-10-16T16:30:30.866Z","updatedAt":"2026-10-19T12:39:16.848Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["MariaDB server"],"affected":[{"vendor":"MariaDB","product":"server","versions":[{"version":">= 10.6.1, < 10.6.28","status":"affected"},{"version":">= 10.11.1, < 10.11.19","status":"affected"},{"version":">= 11.4.1, < 11.4.13","status":"affected"},{"version":">= 11.8.1, < 11.8.9","status":"affected"},{"version":">= 12.3.1, < 12.3.3","status":"affected"},{"version":">= 13.0.1, < 13.0.2","status":"affected"}]}],"references":["https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8","https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce","https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19","https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28","https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13","https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9","https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3","https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2","https://jira.mariadb.org/browse/MDEV-40328"],"weaknesses":["CWE-126"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/85xxx/CVE-2026-85745.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-85745","state":"PUBLISHED","datePublished":"2026-10-16T16:30:30.866Z","dateUpdated":"2026-10-19T12:39:16.848Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-09-04T14:50:16.720Z"},"containers":{"cna":{"title":"MariaDB: Out-of-bound buffer read on in `ST_Area` of a multipolygon.","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"MariaDB","product":"server","versions":[{"version":">= 10.6.1, < 10.6.28","status":"affected"},{"version":">= 10.11.1, < 10.11.19","status":"affected"},{"version":">= 11.4.1, < 11.4.13","status":"affected"},{"version":">= 11.8.1, < 11.8.9","status":"affected"},{"version":">= 12.3.1, < 12.3.3","status":"affected"},{"version":">= 13.0.1, < 13.0.2","status":"affected"}]}],"references":[{"url":"https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8","name":"https://github.com/MariaDB/server/security/advisories/GHSA-p7v9-24h4-mch8","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce","name":"https://github.com/MariaDB/server/commit/2bf355e361db85153fdfba7b8a0f0d114d6a26ce","tags":["x_refsource_MISC"]},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19","name":"https://github.com/MariaDB/server/releases/tag/mariadb-10.11.19","tags":["x_refsource_MISC"]},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28","name":"https://github.com/MariaDB/server/releases/tag/mariadb-10.6.28","tags":["x_refsource_MISC"]},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13","name":"https://github.com/MariaDB/server/releases/tag/mariadb-11.4.13","tags":["x_refsource_MISC"]},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9","name":"https://github.com/MariaDB/server/releases/tag/mariadb-11.8.9","tags":["x_refsource_MISC"]},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3","name":"https://github.com/MariaDB/server/releases/tag/mariadb-12.3.3","tags":["x_refsource_MISC"]},{"url":"https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2","name":"https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2","tags":["x_refsource_MISC"]},{"url":"https://jira.mariadb.org/browse/MDEV-40328","name":"https://jira.mariadb.org/browse/MDEV-40328","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-126","lang":"en","description":"CWE-126: Buffer Over-read","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-16T16:30:30.866Z"},"source":{"advisory":"GHSA-p7v9-24h4-mch8","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T12:38:54.237600Z","id":"CVE-2026-85745","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T12:39:16.848Z"}}]}}}