Action not permitted
Modal body text goes here.
Modal Title
Modal Body
alsa-2026:4162
Vulnerability from osv_almalinux
Published
2026-03-10 00:00
Modified
2026-03-11 09:43
Summary
Moderate: mysql8.4 security update
Details
MySQL is a multi-user, multi-threaded SQL database server. MySQL is a client/server implementation consisting of a server daemon (mysqld) and many different client programs and libraries. The base package contains the standard MySQL client programs and generic MySQL files.
Security Fix(es):
- mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)
- mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)
- mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)
- mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)
- mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)
- mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
{
"affected": [
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-common"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-devel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-errmsg"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-libs"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-server"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-test"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "mysql8.4-test-data"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.4.8-1.el10_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"details": "MySQL is a multi-user, multi-threaded SQL database server. MySQL is a client/server implementation consisting of a server daemon (mysqld) and many different client programs and libraries. The base package contains the standard MySQL client programs and generic MySQL files. \n\nSecurity Fix(es): \n\n * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)\n * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)\n * mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)\n * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)\n * mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)\n * mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2026:4162",
"modified": "2026-03-11T09:43:31Z",
"published": "2026-03-10T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:4162"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-21936"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-21937"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-21941"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-21948"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-21964"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-21968"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2431384"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2431385"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2431402"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2431409"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2431413"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2431431"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/10/ALSA-2026-4162.html"
}
],
"related": [
"CVE-2026-21941",
"CVE-2026-21948",
"CVE-2026-21936",
"CVE-2026-21968",
"CVE-2026-21937",
"CVE-2026-21964"
],
"summary": "Moderate: mysql8.4 security update"
}
CVE-2026-21964 (GCVE-0-2026-21964)
Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 20:04
VLAI?
EPSS
Summary
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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).
Severity ?
4.9 (Medium)
CWE
- Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | MySQL Server |
Affected:
8.0.0 , ≤ 8.0.44
(custom)
Affected: 8.4.0 , ≤ 8.4.7 (custom) Affected: 9.0.0 , ≤ 9.5.0 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21964",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-21T20:01:12.826067Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-noinfo Not enough information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-21T20:04:13.585Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MySQL Server",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en-US",
"value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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)."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.",
"lang": "en-US"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-20T21:56:33.276Z",
"orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"shortName": "oracle"
},
"references": [
{
"name": "Oracle Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2026.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2026-21964",
"datePublished": "2026-01-20T21:56:33.276Z",
"dateReserved": "2026-01-05T18:07:34.714Z",
"dateUpdated": "2026-01-21T20:04:13.585Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-21936 (GCVE-0-2026-21936)
Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 20:57
VLAI?
EPSS
Summary
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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).
Severity ?
4.9 (Medium)
CWE
- Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster.
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Oracle Corporation | MySQL Cluster |
Affected:
7.6.0 , ≤ 7.6.36
(custom)
Affected: 8.0.0 , ≤ 8.0.44 (custom) Affected: 8.4.0 , ≤ 8.4.7 (custom) Affected: 9.0.0 , ≤ 9.5.0 (custom) |
|||||||
|
|||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21936",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-21T20:57:44.913840Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-noinfo Not enough information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-21T20:57:55.683Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MySQL Cluster",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "7.6.36",
"status": "affected",
"version": "7.6.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
},
{
"product": "MySQL Server",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
"versionEndIncluding": "7.6.36",
"versionStartIncluding": "7.6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en-US",
"value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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)."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster.",
"lang": "en-US"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-20T21:56:25.060Z",
"orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"shortName": "oracle"
},
"references": [
{
"name": "Oracle Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2026.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2026-21936",
"datePublished": "2026-01-20T21:56:25.060Z",
"dateReserved": "2026-01-05T18:07:34.710Z",
"dateUpdated": "2026-01-21T20:57:55.683Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-21948 (GCVE-0-2026-21948)
Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 15:12
VLAI?
EPSS
Summary
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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).
Severity ?
4.9 (Medium)
CWE
- Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | MySQL Server |
Affected:
8.0.0 , ≤ 8.0.44
(custom)
Affected: 8.4.0 , ≤ 8.4.7 (custom) Affected: 9.0.0 , ≤ 9.5.0 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21948",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-21T15:10:23.643386Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-21T15:12:07.779Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MySQL Server",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en-US",
"value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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)."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.",
"lang": "en-US"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-20T21:56:29.010Z",
"orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"shortName": "oracle"
},
"references": [
{
"name": "Oracle Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2026.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2026-21948",
"datePublished": "2026-01-20T21:56:29.010Z",
"dateReserved": "2026-01-05T18:07:34.712Z",
"dateUpdated": "2026-01-21T15:12:07.779Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-21968 (GCVE-0-2026-21968)
Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 19:21
VLAI?
EPSS
Summary
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Severity ?
6.5 (Medium)
CWE
- Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | MySQL Server |
Affected:
8.0.0 , ≤ 8.0.44
(custom)
Affected: 8.4.0 , ≤ 8.4.7 (custom) Affected: 9.0.0 , ≤ 9.5.0 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21968",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-21T19:20:23.657459Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-noinfo Not enough information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-21T19:21:31.349Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MySQL Server",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en-US",
"value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.",
"lang": "en-US"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-20T21:56:34.542Z",
"orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"shortName": "oracle"
},
"references": [
{
"name": "Oracle Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2026.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2026-21968",
"datePublished": "2026-01-20T21:56:34.542Z",
"dateReserved": "2026-01-05T18:07:34.714Z",
"dateUpdated": "2026-01-21T19:21:31.349Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-21941 (GCVE-0-2026-21941)
Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 14:59
VLAI?
EPSS
Summary
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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).
Severity ?
4.9 (Medium)
CWE
- Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | MySQL Server |
Affected:
8.0.0 , ≤ 8.0.44
(custom)
Affected: 8.4.0 , ≤ 8.4.7 (custom) Affected: 9.0.0 , ≤ 9.5.0 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21941",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-21T14:58:17.260789Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-21T14:59:00.815Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MySQL Server",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en-US",
"value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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)."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.",
"lang": "en-US"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-20T21:56:26.721Z",
"orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"shortName": "oracle"
},
"references": [
{
"name": "Oracle Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2026.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2026-21941",
"datePublished": "2026-01-20T21:56:26.721Z",
"dateReserved": "2026-01-05T18:07:34.711Z",
"dateUpdated": "2026-01-21T14:59:00.815Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-21937 (GCVE-0-2026-21937)
Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 20:58
VLAI?
EPSS
Summary
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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).
Severity ?
4.9 (Medium)
CWE
- Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | MySQL Server |
Affected:
8.0.0 , ≤ 8.0.44
(custom)
Affected: 8.4.0 , ≤ 8.4.7 (custom) Affected: 9.0.0 , ≤ 9.5.0 (custom) |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21937",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-01-21T20:58:18.776868Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-noinfo Not enough information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-21T20:58:32.805Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "MySQL Server",
"vendor": "Oracle Corporation",
"versions": [
{
"lessThanOrEqual": "8.0.44",
"status": "affected",
"version": "8.0.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "8.4.7",
"status": "affected",
"version": "8.4.0",
"versionType": "custom"
},
{
"lessThanOrEqual": "9.5.0",
"status": "affected",
"version": "9.0.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.0.44",
"versionStartIncluding": "8.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "8.4.7",
"versionStartIncluding": "8.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
"versionEndIncluding": "9.5.0",
"versionStartIncluding": "9.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en-US",
"value": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. 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)."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.",
"lang": "en-US"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-01-20T21:56:25.387Z",
"orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"shortName": "oracle"
},
"references": [
{
"name": "Oracle Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://www.oracle.com/security-alerts/cpujan2026.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
"assignerShortName": "oracle",
"cveId": "CVE-2026-21937",
"datePublished": "2026-01-20T21:56:25.387Z",
"dateReserved": "2026-01-05T18:07:34.710Z",
"dateUpdated": "2026-01-21T20:58:32.805Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…