# CVE-2018-2767: libmysqlclient20: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Encryption)

CVE-2018-2767 is fixed in 10 products on 1 platform, first by libmysqlclient20 5.7.23-0ubuntu0.18.04.1, released July 17, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-2767
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0158
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 17, 2018

## Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Security: Encryption). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior and 5.7.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient20 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [libmysqlclient20 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmysqlclient20-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-client Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-client 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-client-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-client-5.7 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-5.7-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-client-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-client-core-5.7 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-client-core-5.7-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-server Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-server 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-server-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-server-5.7 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-5.7-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-server-core-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-server-core-5.7 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-server-core-5.7-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-source-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-source-5.7 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-source-5.7-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-testsuite Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-testsuite 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7.23-0ubuntu0.18.04.1.md) | Jul 17, 2018 |
| Linux | mysql-testsuite-5.7 Ubuntu 18.04.6 LTS (bionic) | 5.7.23-0ubuntu0.18.04.1 | [mysql-testsuite-5.7 5.7.23-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mysql-testsuite-5.7-5.7.23-0ubuntu0.18.04.1.md) | Jul 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