| Name | CVE-2021-2194 |
| 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). |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 987325 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mariadb-10.5 (PTS) | bullseye | 1:10.5.23-0+deb11u1 | fixed |
| bullseye (security) | 1:10.5.26-0+deb11u2 | fixed |
| mysql-8.0 (PTS) | sid | 8.0.40-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
Fixed in MariaDB 10.5.7, 10.4.16, 10.3.26, 10.2.35
MariaDB commit [1/2]: https://github.com/MariaDB/server/commit/1ff8588c3f1f07e7f6e1b00fb5f485488324cc0a (mariadb-10.2.35)
MariaDB commit [2/2]: https://github.com/MariaDB/server/commit/e391417f0fdbd746e23808b3d15d6cbe5a3b0aac (mariadb-10.2.35)
MySQL commit [1/2]: https://github.com/mysql/mysql-server/commit/5549920b7a33ef33034461d973a9ecb17ce49799
MySQL commit [2/2]: https://github.com/mysql/mysql-server/commit/5aa075277dfe84a17a0331c57a6fe9b91dafb4cf