CVE-2025-49630

{"id": "CVE-2025-49630", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2025-07-10T17:15:48.050", "references": [{"url": "https://httpd.apache.org/security/vulnerabilities_24.html", "tags": ["Vendor Advisory"], "source": "security@apache.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "In certain proxy configurations, a denial of service attack against\u00a0Apache 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 denegaci\u00f3n de servicio contra Apache HTTP Server, versiones 2.4.26 a 2.4.63, puede ser provocado por clientes no confiables que generen una aserci\u00f3n en mod_proxy_http2. Las configuraciones afectadas son las que tienen un proxy inverso configurado para un backend HTTP/2, con ProxyPreserveHost activado."}], "lastModified": "2025-07-29T15:11:08.267", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3F70BAA1-0550-43B4-A6AD-139CF8F37AD9", "versionEndExcluding": "2.4.64", "versionStartIncluding": "2.4.26"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}