# CVE-2021-1998: mecab: MySQL is a multi-user, multi-threaded SQL database server

CVE-2021-1998 is fixed in 20 products on 1 platform, first by RHSA-2020:3732, released September 14, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-1998
- Priority: Routine
- CVSS: 3.8 (Important)
- EPSS: 0.0161
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 14, 2020

## Description

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.  The following packages have been upgraded to a later upstream version: mysql (8.0.21).  Security Fix(es):  * mysql: Server: Security: Privileges multiple unspecified vulnerabilities (CVE-2020-14663, CVE-2020-14678, CVE-2020-14697, CVE-2020-2761, CVE-2020-2774, CVE-2020-2779, CVE-2020-2853, CVE-2020-14586, CVE-2020-14702)  * mysql: Server: Security: Encryption multiple unspecified vulnerabilities (CVE-2019-2914, CVE-2019-2957)  * mysql: InnoDB multiple unspecified vulnerabilities (CVE-2019-2938, CVE-2019-2963, CVE-2019-2968, CVE-2019-3018, CVE-2020-2577, CVE-2020-2589, CVE-2020-2760, CVE-2020-2762, CVE-2020-2814, CVE-2020-2893, CVE-2020-2895, CVE-2020-14568, CVE-2020-14623, CVE-2020-14633, CVE-2020-14634)  * mysql: Server: PS multiple unspecified vulnerabilities (CVE-2019-2946, CVE-2020-2925)  * mysql: Server: Replication multiple unspecified vulnerabilities (CVE-2019-2960, CVE-2020-2759, CVE-2020-2763, CVE-2020-14567)  * mysql: Server: Optimizer multiple unspecified vulnerabilities (CVE-2019-2966, CVE-2019-2967, CVE-2019-2974, CVE-2019-2982, CVE-2019-2991, CVE-2019-2998, CVE-2020-2579, CVE-2020-2660, CVE-2020-2679, CVE-2020-2686, CVE-2020-2765, CVE-2020-2892, CVE-2020-2897, CVE-2020-2901, CVE-2020-2904, CVE-2020-2923, CVE-2020-2924, CVE-2020-2928, CVE-2020-14539, CVE-2020-14547, CVE-2020-14597, CVE-2020-14614, CVE-2020-14654, CVE-2020-14680, CVE-2020-14725)  * mysql: Server: C API multiple unspecified vulnerabilities (CVE-2019-2993, CVE-2019-3011)  * mysql: Server: DDL multiple unspecified vulnerabilities (CVE-2019-2997, CVE-2020-2580)  * mysql: Server: Parser multiple unspecified vulnerabilities (CVE-2019-3004, CVE-2020-2627, CVE-2020-2930, CVE-2020-14619)  * mysql: Server: Connection unspecified vulnerability (CVE-2019-3009)  * mysql: Server: Options multiple unspecified vulnerabilities (CVE-2020-2584, CVE-2020-14632)  * mysql: Server: DML multiple unspecified vulnerabilities (CVE-2020-2588, CVE-2020-2780, CVE-2020-14540, CVE-2020-14575, CVE-2020-14620)  * mysql: C API multiple unspecified vulnerabilities (CVE-2020-2752, CVE-2020-2922, CVE-2020-14550, CVE-2020-2570, CVE-2020-2573, CVE-2020-2574)  * mysql: Server: Logging unspecified vulnerability (CVE-2020-2770)  * mysql: Server: Memcached unspecified vulnerability (CVE-2020-2804)  * mysql: Server: Stored Procedure unspecified vulnerability (CVE-2020-2812)  * mysql: Server: Information Schema multiple unspecified vulnerabilities (CVE-2020-2896, CVE-2020-14559, CVE-2020-2694)  * mysql: Server: Charsets unspecified vulnerability (CVE-2020-2898)  * mysql: Server: Connection Handling unspecified vulnerability (CVE-2020-2903)  * mysql: Server: Group Replication Plugin unspecified vulnerability (CVE-2020-2921)  * mysql: Server: Group Replication GCS unspecified vulnerability (CVE-2020-2926)  * mysql: Server: Pluggable Auth unspecified vulnerability (CVE-2020-14553)  * mysql: Server: UDF unspecified vulnerability (CVE-2020-14576)  * mysql: Server: JSON unspecified vulnerability (CVE-2020-14624)  * mysql: Server: Security: Audit unspecified vulnerability (CVE-2020-14631)  * mysql: Server: Security: Roles multiple unspecified vulnerabilities (CVE-2020-14641, CVE-2020-14643, CVE-2020-14651)  * mysql: Server: Locking unspecified vulnerability (CVE-2020-14656)  * mysql: Information Schema unspecified vulnerability (CVE-2019-2911)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmysqlclient21 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [libmysqlclient21 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libmysqlclient21-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| 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-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-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 | 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-client Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-client 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| Linux | mysql-client-8.0 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-client-8.0 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-8.0-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| Linux | mysql-client-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-client-core-8.0 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-client-core-8.0-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| 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-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-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-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-router Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-router 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-router-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| 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 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-server 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| Linux | mysql-server-8.0 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-server-8.0 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-8.0-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| Linux | mysql-server-core-8.0 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-server-core-8.0 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-server-core-8.0-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| Linux | mysql-source-8.0 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-source-8.0 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-source-8.0-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| 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-testsuite Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-testsuite 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |
| Linux | mysql-testsuite-8.0 Ubuntu 20.04 LTS (focal) | 8.0.21-0ubuntu0.20.04.3 | [mysql-testsuite-8.0 8.0.21-0ubuntu0.20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mysql-testsuite-8.0-8.0.21-0ubuntu0.20.04.3.md) | Jan 20, 2021 |

---

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.
