CVE-2021-2154

NameCVE-2021-2154
DescriptionVulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 5.7.33 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).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs988428

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mariadb-10.5 (PTS)bullseye1:10.5.23-0+deb11u1fixed
bullseye (security)1:10.5.26-0+deb11u2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mariadb-10.3sourcebuster1:10.3.29-0+deb10u1
mariadb-10.3source(unstable)(unfixed)
mariadb-10.5source(unstable)1:10.5.10-1988428
mysql-5.7source(unstable)(unfixed)

Notes

Fixed in MariaDB 10.5.10, 10.4.19, 10.3.29, 10.2.38
MariaDB commit: https://github.com/MariaDB/server/commit/4f63b6cf53ce2d9eaf4a8006587ebf3c4d6ddd3c (mariadb-10.2.38)

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