{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-13T04:30:34.741","vulnerabilities":[{"cve":{"id":"CVE-2025-49630","sourceIdentifier":"security@apache.org","published":"2025-07-10T17:15:48.050","lastModified":"2025-11-04T22:16:18.307","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2.\n\nConfigurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to \"on\"."},{"lang":"es","value":"En ciertas configuraciones de proxy, un ataque de denegación de servicio contra Apache HTTP Server, versiones 2.4.26 a 2.4.63, puede ser provocado por clientes no confiables que generen una aserción en mod_proxy_http2. Las configuraciones afectadas son las que tienen un proxy inverso configurado para un backend HTTP/2, con ProxyPreserveHost activado."}],"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-617"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*","versionStartIncluding":"2.4.26","versionEndExcluding":"2.4.64","matchCriteriaId":"3F70BAA1-0550-43B4-A6AD-139CF8F37AD9"}]}]}],"references":[{"url":"https://httpd.apache.org/security/vulnerabilities_24.html","source":"security@apache.org","tags":["Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/7","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}