# CVE-2019-2920: libmysqlclient21: Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC)

CVE-2019-2920 is fixed in 11 products on 1 platform, first by libmysqlclient21 8.0.18-0ubuntu3, released October 16, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-2920
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0225
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 16, 2019

## Description

Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). Supported versions that are affected are 5.3.13 and prior and 8.0.17 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| 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 | 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-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-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-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-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-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-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-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-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-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 |

---

Data as of 2026-11-07T18:46:35Z 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.
