{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-85746",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-09-04T14:50:16.720Z",
        "datePublished": "2026-10-16T16:27:36.763Z",
        "dateUpdated": "2026-10-16T17:05:31.146Z"
    },
    "containers": {
        "cna": {
            "title": "MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-787",
                            "lang": "en",
                            "description": "CWE-787: Out-of-bounds Write",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.9,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/MariaDB/server/security/advisories/GHSA-8fvj-c57c-pggx",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/MariaDB/server/security/advisories/GHSA-8fvj-c57c-pggx"
                },
                {
                    "name": "https://github.com/MariaDB/server/commit/5c04ca5524385356ff7cf84974a7d491974c1f85",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/MariaDB/server/commit/5c04ca5524385356ff7cf84974a7d491974c1f85"
                },
                {
                    "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-10.11.19"
                },
                {
                    "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-10.6.28"
                },
                {
                    "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-11.4.13"
                },
                {
                    "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-11.8.9"
                },
                {
                    "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-12.3.3"
                },
                {
                    "name": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/MariaDB/server/releases/tag/mariadb-13.0.2"
                },
                {
                    "name": "https://jira.mariadb.org/browse/MDEV-40329",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://jira.mariadb.org/browse/MDEV-40329"
                }
            ],
            "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"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-10-16T16:27:36.763Z"
            },
            "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_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."
                }
            ],
            "source": {
                "advisory": "GHSA-8fvj-c57c-pggx",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-16T16:49:55.618818Z",
                                "id": "CVE-2026-85746",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-16T17:05:31.146Z"
                }
            }
        ]
    }
}