CVE-2021-2441
libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Optimizer)
CVE-2021-2441 is fixed in 20 products on 1 platform, first by RHSA-2021:3590, released September 21, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
4.9
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0171
77th percentile
Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Optimizer). Supported versions that are affected are 8.0.25 andprior. Easily exploitable vulnerability allows high privileged attackerwith network access via multiple protocols to compromise MySQL Server.Successful attacks of this vulnerability can result in unauthorized abilityto cause a hang or frequently repeatable crash (complete DOS) of MySQLServer. 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).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libmysqlclient21 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | libmysqlclient21 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| libmysqlclient21 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | libmysqlclient21 8.0.26-0ubuntu1 | Jul 15, 2025 |
| libmysqlclient21 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | libmysqlclient21 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mecab · RHEL 8 | 0:0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2021:3590 | Sep 21, 2021 |
| mecab · ol 8 | 0:0.996-1.module+el8.0.0+5253+1dce7bb2.9 | ELSA-2021-3590 | Sep 23, 2021 |
| mecab-ipadic · RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2021:3590 | Sep 21, 2021 |
| mecab-ipadic · ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2021-3590 | Sep 23, 2021 |
| mecab-ipadic-EUCJP · RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2021:3590 | Sep 21, 2021 |
| mecab-ipadic-EUCJP · ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-client · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-client 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-client · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-client 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-client · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-client 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-client-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-client-8.0 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-client-8.0 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-client-8.0 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-client-8.0 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-client-8.0 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-client-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-client-core-8.0 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-client-core-8.0 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-client-core-8.0 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-client-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-client-core-8.0 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-common · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-common · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-devel · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-devel · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-errmsg · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-errmsg · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-libs · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-libs · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-router · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-router 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-router · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-router 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-router · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-router 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-server · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-server · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-server 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-server · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-server 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-server · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-server 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-server · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-server-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-server-8.0 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-server-8.0 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-server-8.0 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-server-8.0 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-server-8.0 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-server-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-server-core-8.0 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-server-core-8.0 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-server-core-8.0 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-server-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-server-core-8.0 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-source-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-source-8.0 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-source-8.0 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-source-8.0 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-source-8.0 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-source-8.0 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-test · RHEL 8 | 0:8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 | Sep 21, 2021 |
| mysql-test · ol 8 | 0:8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 | Sep 23, 2021 |
| mysql-testsuite · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-testsuite 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-testsuite · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-testsuite 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-testsuite · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-testsuite 8.0.26-0ubuntu1 | Jan 16, 2026 |
| mysql-testsuite-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.26-0ubuntu0.20.04.2 | mysql-testsuite-8.0 8.0.26-0ubuntu0.20.04.2 | Oct 20, 2021 |
| mysql-testsuite-8.0 · Ubuntu 22.04.1 LTS (jammy) | 8.0.26-0ubuntu1 | mysql-testsuite-8.0 8.0.26-0ubuntu1 | Jul 15, 2025 |
| mysql-testsuite-8.0 · Ubuntu 24.10 (oracular) | 8.0.26-0ubuntu1 | mysql-testsuite-8.0 8.0.26-0ubuntu1 | Jan 16, 2026 |
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