MediumFix available
mariadb — security advisory
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
- Products
- mariadb
- Affected versions
- 1:11.8.2-1, 1:11.8.3-0+deb13u1, 1:11.8.3-1, 1:11.8.5-1, 1:11.8.5-2, 1:11.8.5-3, 1:11.8.5-3~exp1, 1:11.8.5-3~exp2, 1:11.8.5-3~exp3, 1:11.8.5-4, 1:11.8.6-0+deb13u1, 1:11.8.6-1, 1:11.8.6-2, 1:11.8.6-3, 1:11.8.6-4, 1:11.8.6-5, 1:11.8.6-6, 1:11.8.8-0+deb13u1, 1:11.8.8-1, 1:11.8.9+ds-1, 1:11.8.9+ds-2, 1:11.8.9+ds-3, 1:11.8.9+ds-4
- Fixed versions
- 10.11.19-0+deb12u1, 1:11.8.9+ds-1
- CVEs
- CVE-2026-47023
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:55 UTC · Revision 1
Source evidence
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
osv:DEBIAN-CVE-2026-47023
mariadb
Fixed versions: 10.11.19-0+deb12u1
mariadb
Fixed versions: Not specified
mariadb
Fixed versions: 1:11.8.9+ds-1
Complete source record
{
"id": "28be6d97241d367e6d27385b5f76e063e397852713e485c7993274868f56fb2b",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-47023",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-47023",
"summary": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).",
"evidence": "osv:DEBIAN-CVE-2026-47023",
"products": [
{
"name": {
"value": "mariadb",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.11.19-0+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "mariadb",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:11.8.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.3-0+deb13u1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.3-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-2",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-3",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-3~exp1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-3~exp2",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-3~exp3",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.5-4",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-0+deb13u1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-2",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-3",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-4",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-5",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.6-6",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.8-0+deb13u1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.8-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.9+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.9+ds-2",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.9+ds-3",
"evidence": "/affected/1/versions"
},
{
"value": "1:11.8.9+ds-4",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "mariadb",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:11.8.9+ds-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1:11.8.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.3-1",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-1",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-2",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-3",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-3~exp1",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-3~exp2",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-3~exp3",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.5-4",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.6-1",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.6-2",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.6-3",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.6-4",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.6-5",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.6-6",
"evidence": "/affected/2/versions"
},
{
"value": "1:11.8.8-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-47023",
"aliases": [
"DEBIAN-CVE-2026-47023"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.11.19-0+deb12u1"
}
]
}
],
"package": {
"name": "mariadb",
"purl": "pkg:deb/debian/mariadb?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47023.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "mariadb",
"purl": "pkg:deb/debian/mariadb?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:11.8.2-1",
"1:11.8.3-0+deb13u1",
"1:11.8.3-1",
"1:11.8.5-1",
"1:11.8.5-2",
"1:11.8.5-3",
"1:11.8.5-3~exp1",
"1:11.8.5-3~exp2",
"1:11.8.5-3~exp3",
"1:11.8.5-4",
"1:11.8.6-0+deb13u1",
"1:11.8.6-1",
"1:11.8.6-2",
"1:11.8.6-3",
"1:11.8.6-4",
"1:11.8.6-5",
"1:11.8.6-6",
"1:11.8.8-0+deb13u1",
"1:11.8.8-1",
"1:11.8.9+ds-1",
"1:11.8.9+ds-2",
"1:11.8.9+ds-3",
"1:11.8.9+ds-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47023.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:11.8.9+ds-1"
}
]
}
],
"package": {
"name": "mariadb",
"purl": "pkg:deb/debian/mariadb?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:11.8.2-1",
"1:11.8.3-1",
"1:11.8.5-1",
"1:11.8.5-2",
"1:11.8.5-3",
"1:11.8.5-3~exp1",
"1:11.8.5-3~exp2",
"1:11.8.5-3~exp3",
"1:11.8.5-4",
"1:11.8.6-1",
"1:11.8.6-2",
"1:11.8.6-3",
"1:11.8.6-4",
"1:11.8.6-5",
"1:11.8.6-6",
"1:11.8.8-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47023.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-25T09:47:36.908411626Z",
"provider": "osv",
"upstream": [
"CVE-2026-47023"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-47023"
]
},
"related_cves": [
{
"value": "CVE-2026-47023",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 445313,
"published_at": "2026-07-21T22:17:07.913+00:00"
}