{"id":"CVE-2021-2389","details":"Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated 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 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).","aliases":["BIT-mariadb-2021-2389","BIT-mariadb-min-2021-2389","BIT-mysql-client-2021-2389"],"modified":"2026-04-11T13:53:54.035598Z","published":"2021-07-21T15:15:41.283Z","related":["ALSA-2021:3590","ALSA-2022:1556","ALSA-2022:1557","MGASA-2021-0402","SUSE-RU-2023:3956-1","SUSE-RU-2023:4991-1","SUSE-SU-2021:2835-1","SUSE-SU-2021:2837-1","SUSE-SU-2021:2939-1","SUSE-SU-2021:3008-1","openSUSE-SU-2021:2835-1","openSUSE-SU-2021:2837-1","openSUSE-SU-2021:2939-1","openSUSE-SU-2024:11038-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2UTW5KMPPDKIMGB4ULE2HS22HYLVKYIH/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGR5ZTB5QEDRRC6G5U6TFNCIVBBKGS5J/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210723-0001/"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujul2021.html"},{"type":"ADVISORY","url":"https://www.zerodayinitiative.com/advisories/ZDI-21-880/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mariadb/server","events":[{"introduced":"9664240c948a92c22ccda0e1f5a420eb776ddcb1"},{"fixed":"b549af69137023ce0f93d312a10d61e467dca07f"},{"introduced":"20ae591abd0bfe1bfaee546989ee163f4ef832b1"},{"fixed":"7f264997dd21c5126350a9a5f0cc0960afdd1229"},{"introduced":"c761b43451d54eeeecdf3c102906fcce88d4e9d9"},{"fixed":"4902b0fdc91cc6dc169dd2322daf966a2eeafdd8"},{"introduced":"7c7f9bef28aa566557da31402142f6dd8298ddd2"},{"fixed":"b5569b62408375f35e2fe851158a7ff17e378ed1"},{"introduced":"1a647b700f6b72dc97211510a5d0c647d5d3d911"},{"fixed":"2db692f5b4d6bb31a331dab44544171c455f6aca"}],"database_specific":{"versions":[{"introduced":"10.2.0"},{"fixed":"10.2.40"},{"introduced":"10.3.0"},{"fixed":"10.3.31"},{"introduced":"10.4.0"},{"fixed":"10.4.21"},{"introduced":"10.5.0"},{"fixed":"10.5.12"},{"introduced":"10.6.0"},{"fixed":"10.6.4"}]}},{"type":"GIT","repo":"https://github.com/mysql/mysql-server","events":[{"introduced":"0"},{"last_affected":"a9b0c712de3509d8d08d3ba385d41a4df6348775"},{"introduced":"270fd3411e3d671a73ed9725940a30080f59ce6d"},{"last_affected":"98b2ccb470de120d36bc4a623c814cdfded958ec"}],"database_specific":{"versions":[{"introduced":"5.7.0"},{"last_affected":"5.7.34"},{"introduced":"8.0.0"},{"last_affected":"8.0.25"}]}}],"versions":["mariadb-10.2.0","mariadb-10.2.1","mariadb-10.2.10","mariadb-10.2.11","mariadb-10.2.12","mariadb-10.2.13","mariadb-10.2.14","mariadb-10.2.15","mariadb-10.2.16","mariadb-10.2.18","mariadb-10.2.19","mariadb-10.2.2","mariadb-10.2.20","mariadb-10.2.21","mariadb-10.2.22","mariadb-10.2.23","mariadb-10.2.24","mariadb-10.2.25","mariadb-10.2.26","mariadb-10.2.27","mariadb-10.2.28","mariadb-10.2.29","mariadb-10.2.30","mariadb-10.2.31","mariadb-10.2.39","mariadb-10.2.5","mariadb-10.3.0","mariadb-10.3.1","mariadb-10.3.10","mariadb-10.3.12","mariadb-10.3.16","mariadb-10.3.17","mariadb-10.3.18","mariadb-10.3.19","mariadb-10.3.2","mariadb-10.3.20","mariadb-10.3.21","mariadb-10.3.26","mariadb-10.3.30","mariadb-10.3.4","mariadb-10.3.5","mariadb-10.3.6","mariadb-10.3.7","mariadb-10.4.10","mariadb-10.4.11","mariadb-10.4.20","mariadb-10.4.3","mariadb-10.4.4","mariadb-10.4.5","mariadb-10.4.7","mariadb-10.4.9","mariadb-10.5.0","mariadb-10.5.11","mariadb-10.5.2","mariadb-10.5.4","mariadb-10.6.0","mariadb-10.6.1","mariadb-10.6.2","mariadb-10.6.3","mysql-3.23.22-beta","mysql-3.23.28-gamma","mysql-3.23.30-gamma","mysql-3.23.31","mysql-3.23.32","mysql-3.23.33","mysql-3.23.36","mysql-4.0.2","mysql-4.0.4","mysql-5.1.4","mysql-5.7.31","mysql-5.7.32","mysql-5.7.34","mysql-8.0.24","mysql-8.0.25","mysql-cluster-8.0.24","mysql-cluster-8.0.25"],"database_specific":{"vanir_signatures":[{"signature_version":"v1","target":{"file":"sql/table.cc"},"id":"CVE-2021-2389-7d8e5b6a","signature_type":"Line","digest":{"line_hashes":["258070912520669712261283939767978553199","163415287272954152502666917123938658776","49296846038456833842383783174009140961","334843214020125332543169226985653591801"],"threshold":0.9},"source":"https://github.com/mariadb/server/commit/b549af69137023ce0f93d312a10d61e467dca07f","deprecated":false},{"signature_version":"v1","target":{"file":"sql/table.cc","function":"open_table_from_share"},"id":"CVE-2021-2389-b6cfa102","signature_type":"Function","digest":{"length":10035,"function_hash":"74524028531176476080637569635616917678"},"source":"https://github.com/mariadb/server/commit/b549af69137023ce0f93d312a10d61e467dca07f","deprecated":false}],"vanir_signatures_modified":"2026-04-11T13:53:54Z","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"35"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-2389.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}