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OpenAdvisories
Medium · 5.9 CVE-2021-2011 EUVD-2021-16470GHSA-xvch-fv6q-gx5m

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.32 and prior and…

Published Jan 20, 2021 · Updated Sep 26, 2024 · Assigned by oracle

Vendor: Oracle Product: MySQL Server Package: mariadb-10.0 Package: mariadb-10.1 Package: mariadb-10.3 Package: mysql-5.5 Package: mysql-5.7 Package: mysql-8.0 Package: percona-server-5.6 Package: percona-xtradb-cluster-5.6 Ecosystem: Ubuntu

Description

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.7.32 and prior and 8.0.22 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 ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Affected products

VendorProductAffectedFixed
Oracle MySQL Server 5.7.32 and prior, 8.0.22 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 ↗
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS mariadb-10.3 No fix yet —
Ubuntu 20.04 LTS mysql-8.0 8.0.23-0ubuntu0.20.04.1 USN-4716-1
Ubuntu 18.04 LTS mariadb-10.1 No fix yet —
Ubuntu 18.04 LTS mysql-5.7 5.7.33-0ubuntu0.18.04.1 USN-4716-1
Ubuntu 16.04 LTS mariadb-10.0 +2 No fix yet —
Ubuntu 16.04 LTS mysql-5.7 5.7.33-0ubuntu0.16.04.1 USN-4716-1
Ubuntu 14.04 LTS mysql-5.5 No fix yet —

Red Hat

Security tracker ↗
ReleasePackageFixed inAdvisory
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 7 mariadb +7 1:5.5.64-1.el7 RHSA-2019:2327
RHEL 3 rh-mysql80-mysql +9 8.0.26-1.el7 RHSA-2021:3811

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
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 ↗
ReleasePackageFixed inAdvisory
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

Oracle Linux

ReleasePackageFixed inAdvisory
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 11

References