#VU112729 Resource management error in Apache HTTP Server - CVE-2025-49630
Published: July 10, 2025 / Updated: July 10, 2025
Vulnerability identifier: #VU112729
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-49630
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache HTTP Server
Apache HTTP Server
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in mod_proxy_http2. A remote attacker can send specially crafted requests to the server and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that the reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".
Remediation
Install updates from vendor's website.