# CVE-2019-2731: libmysqlclient20: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication)

CVE-2019-2731 is fixed in 10 products on 1 platform, first by libmysqlclient20 5.7.24-0ubuntu0.18.04.1, released July 23, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-2731
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0173
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 23, 2019

## Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.7.23 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.0 Base Score 5.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient20 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [libmysqlclient20 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmysqlclient20-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-client Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-client 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-client-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-client-5.7 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-client-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-client-core-5.7 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-core-5.7-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-server Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-server 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-server-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-server-5.7 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-server-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-server-core-5.7 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-core-5.7-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-source-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-source-5.7 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-source-5.7-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-testsuite Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-testsuite 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |
| Linux | mysql-testsuite-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.24-0ubuntu0.18.04.1 | [mysql-testsuite-5.7 5.7.24-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7-5.7.24-0ubuntu0.18.04.1.md) | Jul 23, 2019 |

---

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.
