Description
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Client accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | MySQL Server | 5.6.47 and prior, 5.7.29 and prior, 8.0.19 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 | 8.0.20-0ubuntu0.20.04.1 | — |
| Ubuntu 18.04 LTS | mariadb-10.1 | No fix yet | — |
| Ubuntu 18.04 LTS | mysql-5.7 | 5.7.30-0ubuntu0.18.04.1 | — |
| Ubuntu 16.04 LTS | mariadb-10.0 +2 | No fix yet | — |
| Ubuntu 16.04 LTS | mysql-5.7 | 5.7.30-0ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | mysql-5.5 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | Judy +1 | 1.0.5-18.module+el8+2765+cfa4f87b | RHSA-2019:3708 |
| RHEL 8 | asio +1 | 1.10.8-7.module+el8+2765+cfa4f87b | RHSA-2019:3708 |
| RHEL 8 | galera | 25.3.26-1.module+el8.1.0+3974+90eded84 | RHSA-2019:3708 |
| RHEL 8 | mariadb +12 | 3:10.3.17-1.module+el8.1.0+3974+90eded84 | RHSA-2019:3708 |
| RHEL 8 | mariadb-connector-c +2 | 3.1.11-2.el8_3 | RHSA-2020:5503 |
| RHEL 8 | mecab | 0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2020:3732 |
| RHEL 8 | mecab-ipadic +1 | 2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2020:3732 |
| RHEL 8 | mysql +6 | 8.0.21-1.module+el8.2.0+7855+47abd494 | RHSA-2020:3732 |
| RHEL 7 | mariadb +7 | 1:5.5.65-1.el7 | RHSA-2020:1100 |
| RHEL 3 | rh-mariadb103-galera | 25.3.31-1.el7 | RHSA-2020:5246 |
| RHEL 3 | rh-mariadb103-mariadb +18 | 3:10.3.27-1.el7 | RHSA-2020:5246 |
| RHEL 3 | rh-mysql80-mysql +9 | 8.0.21-1.el7 | RHSA-2020:3518 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.2 EUS | mariadb-connector-c +2 | 3.1.11-2.el8_2 | RHSA-2020:5655 |
| RHEL 8.1 EUS | mariadb-connector-c +2 | 3.1.11-2.el8_1 | RHSA-2020:5660 |
| RHEL 8.1 EUS | mecab | 0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2020:3757 |
| RHEL 8.1 EUS | mecab-ipadic +1 | 2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2020:3757 |
| RHEL 8.1 EUS | mysql +6 | 8.0.21-1.module+el8.1.0+7854+62e1520f | RHSA-2020:3757 |
| RHEL 8.0 E4S | Judy | 1.0.5-18.module+el8+2765+cfa4f87b | RHSA-2020:5663 |
| RHEL 8.0 E4S | galera | 25.3.31-1.module+el8.0.0+9239+73817dd5 | RHSA-2020:5663 |
| RHEL 8.0 E4S | mariadb +12 | 3:10.3.27-3.module+el8.0.0+9160+9822c5c7 | RHSA-2020:5663 |
| RHEL 8.0 E4S | mariadb-connector-c +2 | 3.1.11-2.el8_0 | RHSA-2020:5662 |
| RHEL 8.0 E4S | mecab | 0.996-1.module+el8.0.0+3898+e09bb8de.9 | RHSA-2020:3755 |
| RHEL 8.0 E4S | mecab-ipadic +1 | 2.7.0.20070801-16.module+el8.0.0+3898+e09bb8de | RHSA-2020:3755 |
| RHEL 8.0 E4S | mysql +6 | 8.0.21-1.module+el8.0.0+7853+3a2b0b25 | RHSA-2020:3755 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | Judy +1 | 1.0.5-18.module_el8.3.0+2028+5e3224e9 | ALSA-2019:3708 |
| AlmaLinux 8 | asio-devel | 1.10.8-7.module_el8.6.0+2867+72759d2f | ALSA-2019:3708 |
| AlmaLinux 8 | mariadb-connector-c +2 | 3.1.11-2.el8_3 | ALSA-2020:5503 |
| AlmaLinux 8 | mecab | 0.996-1.module_el8.4.0+2532+b8928c02.9 | ALSA-2020:3732 |
| AlmaLinux 8 | mecab-ipadic +1 | 2.7.0.20070801-16.module_el8.4.0+2532+b8928c02 | ALSA-2020:3732 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | Judy | 1.0.5-18.module+el8.4.0+427+adf35707 | RLSA-2019:3708 |
| Rocky Linux 8 | asio | 1.10.8-7.module+el8.3.0+126+a7f7b5c5 | RLSA-2019:3708 |
| Rocky Linux 8 | mariadb-connector-c | 3.1.11-2.el8_3 | RLSA-2020:5503 |
| Rocky Linux 8 | mecab | 0.996-1.module+el8.3.0+242+87d3366a.9 | RLSA-2020:3732 |
| Rocky Linux 8 | mecab-ipadic | 2.7.0.20070801-16.module+el8.3.0+242+87d3366a | RLSA-2020:3732 |
| Rocky Linux 8 | mysql | 8.0.21-1.module+el8.3.0+242+87d3366a | RLSA-2020:3732 |
Advisories 22
- ALSA-2020:5503 Moderate: mariadb-connector-c security, bug fix, and enhancement update AlmaLinux Security Advisories · Nov 5, 2026
- ALSA-2019:3708 Moderate: mariadb:10.3 security and bug fix update AlmaLinux Security Advisories · Nov 5, 2026
- ALSA-2020:3732 Important: mysql:8.0 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:5663 Red Hat Security Advisory: mariadb:10.3 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5662 Red Hat Security Advisory: mariadb-connector-c security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5660 Red Hat Security Advisory: mariadb-connector-c security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5655 Red Hat Security Advisory: mariadb-connector-c security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5503 Red Hat Security Advisory: mariadb-connector-c security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:5246 Red Hat Security Advisory: rh-mariadb103-mariadb and rh-mariadb103-galera security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3757 Red Hat Security Advisory: mysql:8.0 security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3755 Red Hat Security Advisory: mysql:8.0 security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3732 Red Hat Security Advisory: mysql:8.0 security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:3518 Red Hat Security Advisory: rh-mysql80-mysql security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2020:1100 Red Hat Security Advisory: mariadb security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:3708 Red Hat Security Advisory: mariadb:10.3 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RLSA-2019:3708 Moderate: mariadb:10.3 security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2020:5503 Moderate: mariadb-connector-c security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2020:3732 Important: mysql:8.0 security update Rocky Linux Security Advisories · 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
- WID-SEC-2023-0067 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 11, 2023
References
- https://www.oracle.com/security-alerts/cpujan2021.html
- FEDORA-2021-db50ab62d3 vendor-advisory
- FEDORA-2021-b1d1655cef vendor-advisory
- GLSA-202105-27 vendor-advisory
- https://security.netapp.com/advisory/ntap-20210622-0001/