{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-29T16:23:38.946","vulnerabilities":[{"cve":{"id":"CVE-2026-21948","sourceIdentifier":"secalert_us@oracle.com","published":"2026-01-20T22:15:57.757","lastModified":"2026-01-29T15:30:25.687","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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 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)."},{"lang":"es","value":"Vulnerabilidad en el producto MySQL Server de Oracle MySQL (componente: Server: Optimizer). Las versiones soportadas que están afectadas son 8.0.0-8.0.44, 8.4.0-8.4.7 y 9.0.0-9.5.0. La vulnerabilidad fácilmente explotable permite a un atacante con altos privilegios y acceso a la red a través de múltiples protocolos comprometer el MySQL Server. Los ataques exitosos de esta vulnerabilidad pueden resultar en la capacidad no autorizada de causar un bloqueo o una caída frecuentemente repetible (DoS completo) del MySQL Server. Puntuación base CVSS 3.1 de 4.9 (Impactos en la disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)."}],"metrics":{"cvssMetricV31":[{"source":"secalert_us@oracle.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","baseScore":4.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":3.6}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*","versionStartIncluding":"8.0.0","versionEndIncluding":"8.0.44","matchCriteriaId":"C31CF81B-A295-4D90-84D3-377D7184D59D"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*","versionStartIncluding":"8.4.0","versionEndIncluding":"8.4.7","matchCriteriaId":"19AAA920-1429-4F6F-A191-31632570991C"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndIncluding":"9.5.0","matchCriteriaId":"80A941A0-B16F-477B-9062-EF768F4CAAD4"}]}]}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2026.html","source":"secalert_us@oracle.com","tags":["Vendor Advisory"]}]}}]}