{"id":"AZL-65175","summary":"CVE-2025-49630 affecting package httpd for versions less than 2.4.64-1","details":"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\".","modified":"2026-04-01T05:20:52.357336Z","published":"2025-07-10T17:15:48Z","upstream":["CVE-2025-49630"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49630"}],"affected":[{"package":{"name":"httpd","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/httpd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.64-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-65175.json"}}],"schema_version":"1.7.5"}