Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 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. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | MySQL Server | 5.7.33 and prior, 8.0.23 and prior | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mariadb-10.3 | No fix yet | — |
| Ubuntu 20.04 LTS | mysql-8.0 | 8.0.25-0ubuntu0.20.04.1 | USN-4952-1 |
| Ubuntu 18.04 LTS | mariadb-10.1 | No fix yet | — |
| Ubuntu 18.04 LTS | mysql-5.7 | 5.7.34-0ubuntu0.18.04.1 | USN-4952-1 |
| Ubuntu 16.04 LTS | mariadb-10.0 +2 | No fix yet | — |
| Ubuntu 14.04 LTS | mysql-5.5 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | mysql-5.7 | 5.7.35-0ubuntu0.16.04.1+esm1 | USN-5022-3 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | mecab | 0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2021:3590 |
| RHEL 8 | mecab-ipadic +1 | 2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2021:3590 |
| RHEL 8 | mysql +6 | 8.0.26-1.module+el8.4.0+12359+b8928c02 | RHSA-2021:3590 |
| RHEL 3 | rh-mysql80-mysql +9 | 8.0.26-1.el7 | RHSA-2021:3811 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | mecab | 0.996-1.module_el8.4.0+2532+b8928c02.9 | ALSA-2021:3590 |
| AlmaLinux 8 | mecab-ipadic +1 | 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02 | ALSA-2021:3590 |
| AlmaLinux 8 | mysql +6 | 8.0.26-1.module_el8.4.0+2532+b8928c02 | ALSA-2021:3590 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | mecab | 0.996-1.module+el8.3.0+242+87d3366a.9 | RLSA-2021:3590 |
| Rocky Linux 8 | mecab-ipadic | 2.7.0.20070801-16.module+el8.3.0+242+87d3366a | RLSA-2021:3590 |
| Rocky Linux 8 | mysql | 8.0.26-1.module+el8.4.0+652+6de068a7 | RLSA-2021:3590 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SLES 15 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SLES 12 SP5 | mariadb | 10.2.39-3.36.1 | SUSE-SU-2021:2634-1 |
| SLES 12 SP4 | mariadb | 10.2.39-3.36.1 | SUSE-SU-2021:2634-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SLES for SAP 15 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SLES for SAP 12 SP5 | mariadb | 10.2.39-3.36.1 | SUSE-SU-2021:2634-1 |
| SLES for SAP 12 SP4 | mariadb | 10.2.39-3.36.1 | SUSE-SU-2021:2634-1 |
| SLE HPC 15 SP1 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SLE HPC 15 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SUSE OpenStack Cloud Crowbar 9 | mariadb | 10.2.39-3.36.1 | SUSE-SU-2021:2634-1 |
| SUSE OpenStack Cloud 9 | mariadb | 10.2.39-3.36.1 | SUSE-SU-2021:2634-1 |
| SUSE Manager Server 4.0 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SUSE Manager Retail Branch Server 4.0 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SUSE Manager Proxy 4.0 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
| SUSE Enterprise Storage 6 | mariadb | 10.2.39-3.40.1 | SUSE-SU-2021:2617-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | mariadb | 10.2.39-3.40.1 | openSUSE-SU-2021:2617-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | mecab | 0.996-1.module+el8.0.0+5253+1dce7bb2.9 | ELSA-2021-3590 |
| Oracle Linux 8 | mecab-ipadic +1 | 2.7.0.20070801-16.0.1.module+el8.0.0+5253+1dce7bb2 | ELSA-2021-3590 |
| Oracle Linux 8 | mysql +6 | 8.0.26-1.module+el8.4.0+20311+30d12931 | ELSA-2021-3590 |
Advisories 14
- ALSA-2021:3590 Moderate: mysql:8.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:3811 Red Hat Security Advisory: rh-mysql80-mysql security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2021:3590 Red Hat Security Advisory: mysql:8.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-5022-3 mysql-5.7 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-4952-1 mysql-5.7, mysql-8.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- RLSA-2021:3590 Moderate: mysql:8.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2021:2617-1 Security update for mariadb SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2634-1 Security update for mariadb SUSE / openSUSE Security Updates · Feb 4, 2026
- FSA-202302 Festo: Several vulnerabilities in FactoryViews CERT@VDE · Feb 2, 2026
- ICSA-26-027-02 Festo Didactic SE MES PC CISA ICS & IT advisories · Jan 27, 2026
- FSA-202402 Several Vulnerabilities in MES PC (Windows 10) CERT@VDE · Dec 8, 2025
- openSUSE-SU-2021:2617-1 Security update for mariadb SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2023-0065 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 27, 2023
- ELSA-2021-3590 Moderate: mysql:8.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 23, 2021
References
- https://www.oracle.com/security-alerts/cpuapr2021.html
- FEDORA-2021-01189f6361 vendor-advisory
- FEDORA-2021-5b6c69a73a vendor-advisory
- FEDORA-2021-b8b7829a83 vendor-advisory
- https://security.netapp.com/advisory/ntap-20210513-0002/
- GLSA-202105-27 vendor-advisory
- GLSA-202105-28 vendor-advisory