{"id":"CVE-2026-85748","revision":"57f8f0a1b5a24db9ba993ed295e662ee","records":[{"revision":"57f8f0a1b5a24db9ba993ed295e662ee","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-85748","aliases":[],"title":"MariaDB: Use-after-free with a large number of SYS_REFCURSOR's","description":"MariaDB server is a community developed fork of MySQL server. From 12.3.1 until 12.3.3 and 13.0.2, SYS_REFCURSOR handling is affected because cursor-array reallocation can leave stale references in routine contexts. A low-privileged attacker can open a large number of SYS_REFCURSORs and then fetch one to trigger a use-after-free that can enable remote code execution when combined with another vulnerability. This issue is fixed in versions 12.3.3 and 13.0.2.","state":0,"publishedAt":"2026-10-16T16:28:55.829+00:00","modifiedAt":"2026-10-16T16:54:40.841+00:00","affected":[{"ecosystem":"Vendor product","name":"server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"MariaDB\",\n                    \"product\": \"server\",\n                    \"versions\": [\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-mv8g-9f7q-hprm","https://github.com/MariaDB/server/commit/91156c3de58762196605150ab3f756fe952592d1","https://github.com/MariaDB/server/commit/9b075b2cb53338f67e7230cc585e02d2d34514ed","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-40396","https://jira.mariadb.org/browse/MDEV-40639"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85748","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-85748","identifiers":["CVE-2026-85748"]},"retained":false,"historicalAffected":[]}],"coverage":[]}