# CVE-2019-2914: libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Encryption)

CVE-2019-2914 is fixed in 27 products on 1 platform, first by libmysqlclient20 5.7.28-0ubuntu0.18.04.4, released October 16, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-2914
- Priority: Routine
- CVSS: 6.5 (Medium)
- EPSS: 0.0189
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 16, 2019

## Description

Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Encryption). Supported versions that are affected are5.7.27 and prior and 8.0.17 and prior. Easily exploitable vulnerabilityallows low privileged attacker with network access via multiple protocolsto compromise MySQL Server. Successful attacks of this vulnerability canresult in unauthorized ability to cause a hang or frequently repeatablecrash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availabilityimpacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient20 Ubuntu 18.04.6 LTS (bionic) | 5.7.28-0ubuntu0.18.04.4 | [libmysqlclient20 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmysqlclient20-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | libmysqlclient21 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [libmysqlclient21 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libmysqlclient21-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | libmysqlclient21 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [libmysqlclient21 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libmysqlclient21-8.0.18-0ubuntu3.md) | Jan 16, 2026 |
| 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) | 5.7.28-0ubuntu0.18.04.4 | [mysql-client 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-client Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-client 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-client Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-client 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-8.0.18-0ubuntu3.md) | Jan 16, 2026 |
| Linux | mysql-client-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.28-0ubuntu0.18.04.4 | [mysql-client-5.7 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-client-8.0 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-client-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-client-8.0 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-client-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-8.0-8.0.18-0ubuntu3.md) | Jan 16, 2026 |
| Linux | mysql-client-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.28-0ubuntu0.18.04.4 | [mysql-client-core-5.7 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-core-5.7-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-client-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-client-core-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-core-8.0-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-client-core-8.0 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-client-core-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-client-core-8.0-8.0.18-0ubuntu3.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) | 8.0.18-0ubuntu3 | [mysql-router 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-router-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-router Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-router 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-router-8.0.18-0ubuntu3.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) | 5.7.28-0ubuntu0.18.04.4 | [mysql-server 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-server Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-server 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-server Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-server 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-8.0.18-0ubuntu3.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) | 5.7.28-0ubuntu0.18.04.4 | [mysql-server-5.7 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-server-8.0 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-server-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-server-8.0 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-server-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-8.0-8.0.18-0ubuntu3.md) | Jan 16, 2026 |
| Linux | mysql-server-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.28-0ubuntu0.18.04.4 | [mysql-server-core-5.7 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-core-5.7-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-server-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-server-core-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-core-8.0-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-server-core-8.0 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-server-core-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-server-core-8.0-8.0.18-0ubuntu3.md) | Jan 16, 2026 |
| Linux | mysql-source-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.28-0ubuntu0.18.04.4 | [mysql-source-5.7 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-source-5.7-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-source-8.0 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-source-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-source-8.0-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-source-8.0 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-source-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-source-8.0-8.0.18-0ubuntu3.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) | 5.7.28-0ubuntu0.18.04.4 | [mysql-testsuite 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-testsuite Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-testsuite 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-testsuite Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-testsuite 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-testsuite-8.0.18-0ubuntu3.md) | Jan 16, 2026 |
| Linux | mysql-testsuite-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.28-0ubuntu0.18.04.4 | [mysql-testsuite-5.7 5.7.28-0ubuntu0.18.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7-5.7.28-0ubuntu0.18.04.4.md) | Oct 16, 2019 |
| Linux | mysql-testsuite-8.0 Ubuntu 20.04 LTS (focal) | 8.0.18-0ubuntu3 | [mysql-testsuite-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0-8.0.18-0ubuntu3.md) | Oct 16, 2019 |
| Linux | mysql-testsuite-8.0 Ubuntu 24.10 (oracular) | 8.0.18-0ubuntu3 | [mysql-testsuite-8.0 8.0.18-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-mysql-testsuite-8.0-8.0.18-0ubuntu3.md) | Jan 16, 2026 |

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