{"id":"CVE-2026-85746","revision":"605aab93de424661b36e38ab9353e3c8","records":[{"revision":"605aab93de424661b36e38ab9353e3c8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-85746","aliases":[],"title":"MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections","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.","state":0,"publishedAt":"2026-10-16T16:27:36.763+00:00","modifiedAt":"2026-10-16T17:05:31.146+00:00","affected":[{"ecosystem":"Vendor product","name":"server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"MariaDB\",\n                    \"product\": \"server\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 10.6.1, < 10.6.28\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 10.11.1, < 10.11.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 11.4.1, < 11.4.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 11.8.1, < 11.8.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 12.3.1, < 12.3.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 13.0.1, < 13.0.2\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9,"severity":"CRITICAL"}],"references":["https://github.com/MariaDB/server/security/advisories/GHSA-8fvj-c57c-pggx","https://github.com/MariaDB/server/commit/5c04ca5524385356ff7cf84974a7d491974c1f85","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-40329"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85746","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-85746","identifiers":["CVE-2026-85746"]},"retained":false,"historicalAffected":[]}],"coverage":[]}