CVE-2021-2166
libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: DML)
CVE-2021-2166 is fixed in 43 products on 1 platform, first by libmysqlclient20 5.7.34-0ubuntu0.18.04.1, released April 22, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0491
92nd percentile
Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: DML). Supported versions that are affected are 5.7.33 and prior and8.0.23 and prior. Easily exploitable vulnerability allows high privilegedattacker with network access via multiple protocols to compromise MySQLServer. Successful attacks of this vulnerability can result in unauthorizedability to cause a hang or frequently repeatable crash (complete DOS) ofMySQL 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).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| Judy · RHEL 8 | 0:1.0.5-18.module+el8.4.0+9031+9abc7af9 | RHSA-2022:1557 | Apr 26, 2022 |
| Judy · almalinux 8 | 1.0.5-18.module_el8.6.0+2867+72759d2f | ALSA-2022:1557 | Apr 26, 2022 |
| Judy · ol 8 | 0:1.0.5-18.module+el8.4.0+20040+caf70fad | ELSA-2022-1557 | May 3, 2022 |
| Judy · rocky 8 | 0:1.0.5-18.module+el8.4.0+427+adf35707 | RLSA-2022:1557 | Apr 26, 2022 |
| galera · RHEL 8 | 0:26.4.9-4.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| galera · almalinux 8 | 26.4.9-4.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| galera · ol 8 | 0:26.4.9-4.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| galera · rocky 8 | 0:26.4.9-4.module+el8.5.0+773+f75e97f7 | RLSA-2022:1557 | Apr 26, 2022 |
| libmysqlclient20 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | libmysqlclient20 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| libmysqlclient21 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | libmysqlclient21 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| libmysqlclient21 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | libmysqlclient21 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mariadb · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb · almalinux 8 | 3:10.5.13-1.module_el8.5.0+2637+d11efe18 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb · rocky 8 | 3:10.5.13-1.module+el8.5.0+773+f75e97f7 | RLSA-2022:1557 | Apr 26, 2022 |
| mariadb-backup · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-backup · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-backup · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-common · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-common · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-common · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-devel · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-devel · almalinux 8 | 3:10.5.13-1.module_el8.5.0+2637+d11efe18 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-devel · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-embedded · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-embedded · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-embedded · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-embedded-devel · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-embedded-devel · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-embedded-devel · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-errmsg · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-errmsg · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-errmsg · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-gssapi-server · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-gssapi-server · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-gssapi-server · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-oqgraph-engine · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-oqgraph-engine · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-oqgraph-engine · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-pam · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-pam · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-pam · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-server · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-server · almalinux 8 | 3:10.5.13-1.module_el8.5.0+2637+d11efe18 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-server · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-server-galera · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-server-galera · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-server-galera · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-server-utils · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-server-utils · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-server-utils · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| mariadb-test · RHEL 8 | 3:10.5.13-1.module+el8.5.0+14125+d11efe18 | RHSA-2022:1557 | Apr 26, 2022 |
| mariadb-test · almalinux 8 | 3:10.5.13-1.module_el8.6.0+2761+593e5e59 | ALSA-2022:1557 | Apr 26, 2022 |
| mariadb-test · ol 8 | 3:10.5.13-1.module+el8.5.0+20630+d7805586 | ELSA-2022-1557 | May 3, 2022 |
| 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 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-client 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-client 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-client · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-client 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-client-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-client-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-client-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-client-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-client-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-client-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-client-core-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-client-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-client-core-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-client-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-client-core-8.0 8.0.25-0ubuntu3 | 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) | 8.0.25-0ubuntu0.20.04.1 | mysql-router 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-router · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-router 8.0.25-0ubuntu3 | 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 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-server 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-server 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-server · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-server 8.0.25-0ubuntu3 | 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-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-server-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-server-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-server-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-server-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-server-core-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-server-core-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-server-core-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-server-core-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-server-core-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-server-core-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-source-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-source-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-source-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-source-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-source-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-source-8.0 8.0.25-0ubuntu3 | 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 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-testsuite 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-testsuite 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-testsuite · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-testsuite 8.0.25-0ubuntu3 | Jan 16, 2026 |
| mysql-testsuite-5.7 · Ubuntu 18.04.6 LTS (bionic) | 5.7.34-0ubuntu0.18.04.1 | mysql-testsuite-5.7 5.7.34-0ubuntu0.18.04.1 | Apr 22, 2021 |
| mysql-testsuite-8.0 · Ubuntu 20.04 LTS (focal) | 8.0.25-0ubuntu0.20.04.1 | mysql-testsuite-8.0 8.0.25-0ubuntu0.20.04.1 | Jul 21, 2021 |
| mysql-testsuite-8.0 · Ubuntu 24.10 (oracular) | 8.0.25-0ubuntu3 | mysql-testsuite-8.0 8.0.25-0ubuntu3 | Jan 16, 2026 |
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