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vuln-cve/data/2026/85xxx/CVE-2026-85748.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-85748",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-09-04T14:50:16.720Z",
"datePublished": "2026-10-16T16:28:55.829Z",
"dateUpdated": "2026-10-16T16:54:40.841Z"
},
"containers": {
"cna": {
"title": "MariaDB: Use-after-free with a large number of SYS_REFCURSOR's",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"lang": "en",
"description": "CWE-416: Use After Free",
"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-mv8g-9f7q-hprm",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/MariaDB/server/security/advisories/GHSA-mv8g-9f7q-hprm"
},
{
"name": "https://github.com/MariaDB/server/commit/91156c3de58762196605150ab3f756fe952592d1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/MariaDB/server/commit/91156c3de58762196605150ab3f756fe952592d1"
},
{
"name": "https://github.com/MariaDB/server/commit/9b075b2cb53338f67e7230cc585e02d2d34514ed",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/MariaDB/server/commit/9b075b2cb53338f67e7230cc585e02d2d34514ed"
},
{
"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-40396",
"tags": [
"x_refsource_MISC"
],
"url": "https://jira.mariadb.org/browse/MDEV-40396"
},
{
"name": "https://jira.mariadb.org/browse/MDEV-40639",
"tags": [
"x_refsource_MISC"
],
"url": "https://jira.mariadb.org/browse/MDEV-40639"
}
],
"affected": [
{
"vendor": "MariaDB",
"product": "server",
"versions": [
{
"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": "2026-10-16T16:28:55.829Z"
},
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"source": {
"advisory": "GHSA-mv8g-9f7q-hprm",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-16T16:54:30.361781Z",
"id": "CVE-2026-85748",
"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": "2026-10-16T16:54:40.841Z"
}
}
]
}
}