{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-49630", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2025-06-08T19:44:51.747Z", "datePublished": "2025-07-10T16:57:40.117Z", "dateUpdated": "2025-07-10T16:57:40.117Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache HTTP Server", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "2.4.63", "status": "affected", "version": "2.4.26", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Anthony CORSIEZ"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In certain proxy configurations, a denial of service attack against&nbsp;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.<br><br>Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to \"on\".<br>"}], "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\"."}], "metrics": [{"other": {"content": {"text": "low"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-617", "description": "CWE-617 Reachable Assertion", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2025-07-10T16:57:40.117Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://httpd.apache.org/security/vulnerabilities_24.html"}], "source": {"discovery": "EXTERNAL"}, "timeline": [{"lang": "en", "time": "2025-06-04T14:20:00.000Z", "value": "Report received"}], "title": "Apache HTTP Server: mod_proxy_http2 denial of service", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"cveTags": [], "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\"."}], "id": "CVE-2025-49630", "lastModified": "2025-07-10T17:15:48.050", "metrics": {}, "published": "2025-07-10T17:15:48.050", "references": [{"source": "[email protected]", "url": "https://httpd.apache.org/security/vulnerabilities_24.html"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "[email protected]", "type": "Primary"}]}

{}