{"id":"CVE-2026-21952","details":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser).  Supported versions that are affected are 9.0.0-9.5.0. 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).","modified":"2026-04-10T05:38:40.900301Z","published":"2026-01-20T22:15:58.230Z","references":[{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujan2026.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mysql/mysql-server","events":[{"introduced":"527c12ed611f3fe072c3043734319edb2c733099"},{"last_affected":"056a391cdc1af9b17b5415aee243483d1bac532d"}],"database_specific":{"versions":[{"introduced":"9.0.0"},{"last_affected":"9.5.0"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-21952.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}