{"dataType":"CVE_RECORD","dataVersion":"5.2","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":"2025-11-04T21:11:13.455Z"},"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 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\"."}],"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"}},"adp":[{"metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-07-11T16:06:07.523613Z","id":"CVE-2025-49630","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-07-15T19:56:20.614Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html"},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/2"},{"url":"http://www.openwall.com/lists/oss-security/2025/07/10/7"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-04T21:11:13.455Z"}}]}}