Severity: low Affected versions: - Apache HTTP Server 2.4.26 through 2.4.63 Description: 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. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on". Credit: Anthony CORSIEZ (finder) References: https://httpd.apache.org/security/vulnerabilities_24.html https://httpd.apache.org/ https://www.cve.org/CVERecord?id=CVE-2025-49630 Timeline: 2025-06-04: Report received 2025-07-07: 2.4.x revision 1927044 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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