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Date: Thu, 04 Apr 2024 13:56:54 +0000
From: Eric Covener <>
Subject: CVE-2024-27316: Apache HTTP Server: HTTP/2 DoS by memory
 exhaustion on endless continuation frames 

Severity: moderate

Affected versions:

- Apache HTTP Server 2.4.17 through 2.4.58


HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.


Bartek Nowotarski (  (finder)



2024-02-22: Reported to security team

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