# CVE-2020-2922: libmysqlclient21: Vulnerability in the MySQL Client product of Oracle MySQL (component: CAPI)

CVE-2020-2922 is fixed in 47 products on 1 platform, first by RHSA-2019:3708, released November 5, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-2922
- Priority: Routine
- CVSS: 3.7 (Medium)
- EPSS: 0.0252
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 5, 2019

## Description

Vulnerability in the MySQL Client product of Oracle MySQL (component: CAPI). Supported versions that are affected are 5.6.47 and prior, 5.7.29 andprior and 8.0.18 and prior. Difficult to exploit vulnerability allowsunauthenticated attacker with network access via multiple protocols tocompromise MySQL Client. Successful attacks of this vulnerability canresult in unauthorized read access to a subset of MySQL Client accessibledata. CVSS 3.0 Base Score 3.7 (Confidentiality impacts). CVSS Vector:(CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | Judy RHEL 8 | 0:1.0.5-18.module+el8+2765+cfa4f87b | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | Judy-devel RHEL 8 | 0:1.0.5-18.module+el8+2765+cfa4f87b | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | asio-devel RHEL 8 | 0:1.10.8-7.module+el8+2765+cfa4f87b | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | galera RHEL 8 | 0:25.3.26-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | libmysqlclient20 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [libmysqlclient20 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmysqlclient20-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | libmysqlclient21 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [libmysqlclient21 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libmysqlclient21-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | libmysqlclient21 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [libmysqlclient21 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libmysqlclient21-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mariadb RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-backup RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-common RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-connector-c RHEL 8 | 0:3.1.11-2.el8_3 | [RHSA-2020:5503](https://patchblox.com/security/data/fix/linux/rhsa-2020-5503.md) | Dec 15, 2020 |
| Linux | mariadb-connector-c ol 8 | 0:3.1.11-2.el8_3 | [ELSA-2020-5503-1](https://patchblox.com/security/data/fix/linux/elsa-2020-5503-1.md) | Dec 18, 2020 |
| Linux | mariadb-connector-c-config RHEL 8 | 0:3.1.11-2.el8_3 | [RHSA-2020:5503](https://patchblox.com/security/data/fix/linux/rhsa-2020-5503.md) | Dec 15, 2020 |
| Linux | mariadb-connector-c-config ol 8 | 0:3.1.11-2.el8_3 | [ELSA-2020-5503-1](https://patchblox.com/security/data/fix/linux/elsa-2020-5503-1.md) | Dec 18, 2020 |
| Linux | mariadb-connector-c-devel RHEL 8 | 0:3.1.11-2.el8_3 | [RHSA-2020:5503](https://patchblox.com/security/data/fix/linux/rhsa-2020-5503.md) | Dec 15, 2020 |
| Linux | mariadb-connector-c-devel ol 8 | 0:3.1.11-2.el8_3 | [ELSA-2020-5503-1](https://patchblox.com/security/data/fix/linux/elsa-2020-5503-1.md) | Dec 18, 2020 |
| Linux | mariadb-devel RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-embedded RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-embedded-devel RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-errmsg RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-gssapi-server RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-oqgraph-engine RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-server RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-server-galera RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-server-utils RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mariadb-test RHEL 8 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | [RHSA-2019:3708](https://patchblox.com/security/data/fix/linux/rhsa-2019-3708.md) | Nov 5, 2019 |
| Linux | mecab RHEL 8 | 0:0.996-1.module+el8.0.0+3898+e09bb8de.9 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mecab ol 8 | 0:0.996-1.module+el8.0.0+5253+1dce7bb2.9 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mecab-ipadic RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mecab-ipadic ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mecab-ipadic-EUCJP RHEL 8 | 0:2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mecab-ipadic-EUCJP ol 8 | 0:2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-client Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-client 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-client Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-client 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-client Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-client 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-client-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-client-5.7 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-client-8.0 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-client-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-client-8.0 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-client-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-8.0-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-client-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-client-core-5.7 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-core-5.7-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-client-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-client-core-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-core-8.0-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-client-core-8.0 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-client-core-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-core-8.0-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-common RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql-common ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-devel RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql-devel ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-errmsg RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql-errmsg ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-libs RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql-libs ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-router Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-router 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-router-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-router Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-router 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-router-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-server RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql-server Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-server 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-server Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-server 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-server Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-server 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-server ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-server-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-server-5.7 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-server-8.0 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-server-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-server-8.0 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-server-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-8.0-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-server-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-server-core-5.7 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-core-5.7-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-server-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-server-core-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-core-8.0-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-server-core-8.0 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-server-core-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-core-8.0-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-source-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-source-5.7 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-source-5.7-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-source-8.0 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-source-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-source-8.0-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-source-8.0 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-source-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-source-8.0-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-test RHEL 8 | 0:8.0.21-1.module+el8.2.0+7855+47abd494 | [RHSA-2020:3732](https://patchblox.com/security/data/fix/linux/rhsa-2020-3732.md) | Sep 14, 2020 |
| Linux | mysql-test ol 8 | 0:8.0.21-1.module+el8.2.0+7793+cfe2b687 | [ELSA-2020-3732](https://patchblox.com/security/data/fix/linux/elsa-2020-3732.md) | Sep 16, 2020 |
| Linux | mysql-testsuite Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-testsuite 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-testsuite Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-testsuite 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-testsuite Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-testsuite 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-testsuite-8.0.19-0ubuntu4.md) | Jan 16, 2026 |
| Linux | mysql-testsuite-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.30-0ubuntu0.18.04.1 | [mysql-testsuite-5.7 5.7.30-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7-5.7.30-0ubuntu0.18.04.1.md) | Apr 22, 2021 |
| Linux | mysql-testsuite-8.0 Ubuntu 20.04 LTS (focal) | 8.0.19-0ubuntu4 | [mysql-testsuite-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0-8.0.19-0ubuntu4.md) | Aug 17, 2020 |
| Linux | mysql-testsuite-8.0 Ubuntu 24.10 (oracular) | 8.0.19-0ubuntu4 | [mysql-testsuite-8.0 8.0.19-0ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-testsuite-8.0-8.0.19-0ubuntu4.md) | Jan 16, 2026 |

---

Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.