CVE-2025-49630 (GCVE-0-2025-49630)

Vulnerability from cvelistv5 – Published: 2025-07-10 16:57 – Updated: 2025-11-04 21:11
VLAI?
Title
Apache HTTP Server: mod_proxy_http2 denial of service
Summary
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".
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache HTTP Server Affected: 2.4.26 , ≤ 2.4.63 (semver)
Create a notification for this product.
Credits
Anthony CORSIEZ
Show details on NVD website
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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