Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. 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
Affected Vendors & Products
References
History
Thu, 23 Apr 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Optimizer Vulnerability in Oracle MySQL Server | mysql: Optimizer unspecified vulnerability (CPU Apr 2026) |
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
threat_severity
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threat_severity
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Wed, 22 Apr 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 | |
| Metrics |
ssvc
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Wed, 22 Apr 2026 03:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Optimizer Vulnerability in Oracle MySQL Server | |
| Weaknesses | CWE-119 CWE-787 |
Wed, 22 Apr 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. 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). | |
| First Time appeared |
Oracle
Oracle mysql Server |
|
| CPEs | cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle mysql Server |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-04-21T20:35:00.843Z
Updated: 2026-04-22T14:09:22.952Z
Reserved: 2026-01-05T18:07:34.725Z
Link: CVE-2026-22002
Updated: 2026-04-22T14:09:15.447Z
Status : Analyzed
Published: 2026-04-21T21:16:25.453
Modified: 2026-04-23T15:04:10.053
Link: CVE-2026-22002