{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T00:47:13.994","vulnerabilities":[{"cve":{"id":"CVE-2025-53506","sourceIdentifier":"security@apache.org","published":"2025-07-10T20:15:26.970","lastModified":"2025-11-04T22:16:21.790","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106.\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: 8.5.0 through 8.5.100. Other EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue."},{"lang":"es","value":"Vulnerabilidad de consumo incontrolado de recursos en Apache Tomcat si un cliente HTTP/2 no reconoce el marco de configuración inicial que reduce el máximo de transmisiones simultáneas permitidas. Este problema afecta a Apache Tomcat: de 11.0.0-M1 a 11.0.8, de 10.1.0-M1 a 10.1.42, y de 9.0.0.M1 a 9.0.106. Se recomienda actualizar a las versiones 11.0.9, 10.1.43 o 9.0.107, que solucionan el problema."}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"security@apache.org","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndIncluding":"9.0.106","matchCriteriaId":"5D1D5DA0-D03A-4A7A-B0F8-78FBC3229322"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"10.1.0","versionEndIncluding":"10.1.42","matchCriteriaId":"641541D9-6F81-4357-B535-D83D25217A14"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"11.0.0","versionEndIncluding":"11.0.8","matchCriteriaId":"C16A32B5-DB24-48E2-BABE-6F60360786DF"}]}]}],"references":[{"url":"https://lists.apache.org/thread/p09775q0rd185m6zz98krg0fp45j8kr0","source":"security@apache.org","tags":["Issue Tracking","Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/13","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}