# CVE-2018-2787: libmysqlclient20: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB)

CVE-2018-2787 is fixed in 10 products on 1 platform, first by libmysqlclient20 5.7.22-0ubuntu18.04.1, released April 17, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-2787
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0258
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 17, 2018

## Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.6.39 and prior and 5.7.21 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.0 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient20 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [libmysqlclient20 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmysqlclient20-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-client Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-client 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-client-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-client-5.7 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-client-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-client-core-5.7 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-core-5.7-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-server Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-server 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-server-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-server-5.7 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-server-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-server-core-5.7 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-core-5.7-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-source-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-source-5.7 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-source-5.7-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-testsuite Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-testsuite 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |
| Linux | mysql-testsuite-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.22-0ubuntu18.04.1 | [mysql-testsuite-5.7 5.7.22-0ubuntu18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7-5.7.22-0ubuntu18.04.1.md) | Apr 17, 2018 |

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Data as of 2026-11-07T12:40:37Z 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