# CVE-2021-27928: asio-devel: MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL

CVE-2021-27928 is fixed in 17 products on 1 platform, first by RHSA-2021:1242, released April 19, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-27928
- Priority: High
- CVSS: 7.2 (Important)
- EPSS: 0.3844
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 19, 2021

## Description

MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL.   The following packages have been upgraded to a later upstream version: mariadb (10.3.28), galera (25.3.32).  Security Fix(es):  * mariadb: writable system variables allows a database user with SUPER privilege to execute arbitrary code as the system mysql user (CVE-2021-27928)  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 | Judy RHEL 8 | 0:1.0.5-18.module+el8+2765+cfa4f87b | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | Judy ol 8 | 0:1.0.5-18.0.1.module+el8.3.0+9616+7a81225f | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | Judy-devel RHEL 8 | 0:1.0.5-18.module+el8+2765+cfa4f87b | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | Judy-devel ol 8 | 0:1.0.5-18.0.1.module+el8.3.0+9616+7a81225f | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | asio-devel RHEL 8 | 0:1.10.8-7.module+el8+2765+cfa4f87b | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | asio-devel ol 8 | 0:1.10.8-7.module+el8.1.0+5402+691bd77e | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | galera RHEL 8 | 0:25.3.32-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | galera ol 8 | 0:25.3.32-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-backup RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-backup ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-common RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-common ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-devel RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-devel ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-embedded RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-embedded ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-embedded-devel RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-embedded-devel ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-errmsg RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-errmsg ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-gssapi-server RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-gssapi-server ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-oqgraph-engine RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-oqgraph-engine ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-server RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-server ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-server-galera RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-server-galera ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-server-utils RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-server-utils ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |
| Linux | mariadb-test RHEL 8 | 3:10.3.28-1.module+el8.3.0+10472+7adc332a | [RHSA-2021:1242](https://patchblox.com/security/data/fix/linux/rhsa-2021-1242.md) | Apr 19, 2021 |
| Linux | mariadb-test ol 8 | 3:10.3.28-1.module+el8.3.0+20131+15c9d707 | [ELSA-2021-1242](https://patchblox.com/security/data/fix/linux/elsa-2021-1242.md) | Apr 27, 2021 |

---

Data as of 2026-11-09T01:18:40Z 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.