vulnerability
Alma Linux: CVE-2025-49630: Moderate: mod_http2 security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Sep 2, 2025 | Sep 3, 2025 | Nov 13, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 2, 2025
Added
Sep 3, 2025
Modified
Nov 13, 2025
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".
Solutions
alma-upgrade-httpdalma-upgrade-httpd-develalma-upgrade-httpd-filesystemalma-upgrade-httpd-manualalma-upgrade-httpd-toolsalma-upgrade-mod_http2alma-upgrade-mod_ldapalma-upgrade-mod_mdalma-upgrade-mod_proxy_htmlalma-upgrade-mod_sessionalma-upgrade-mod_ssl
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