NVD - CVE-2026-21968 (original) (raw)

Initial Analysis by NIST 1/29/2026 10:26:57 AM

Action Type Old Value New Value
Added CWE NVD-CWE-noinfo
Added CPE Configuration OR *cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (including) 9.5.0 *cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.0.44 *cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* versions from (including) 8.4.0 up to (including) 8.4.7
Added Reference Type Oracle: https://www.oracle.com/security-alerts/cpujan2026.html Types: Vendor Advisory

New CVE Received from Oracle 1/20/2026 5:15:59 PM

Action Type Old Value New Value
Added Description Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added Reference https://www.oracle.com/security-alerts/cpujan2026.html