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Date: Wed, 18 Jul 2018 09:01:20 +0100
From: Mark Cox <>
Cc: Apache Software Foundation HTTP Server Project <>
Subject: CVE-2018-1333: Apache HTTP Server HTTP/2 DoS

CVE-2018-1333: DoS for HTTP/2 connections by crafted requests

Severity: Low

Vendor: The Apache Software Foundation

Versions Affected:
httpd 2.4.18-2.4.33

By specially crafting HTTP/2 requests, workers would be
allocated 60 seconds longer than necessary, leading to
worker exhaustion and a denial of service.

All httpd users should upgrade to 2.4.34 or later.

The issue was discovered by Craig Young of Tripwire VERT.


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