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VID 22796
Severity 30
Port 80, ...
Protocol TCP
Class WWW
Detailed Description According to its banner, the version of Apache 2.4.x installed on the remote host is a version prior to 2.4.26. It is, therefore, affected by the following vulnerability : When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.

* References:
https://lists.apache.org/thread.html/9d0098775bd83cf7c33ac5a077ef412c14ce939198921e639c734e20@%3Cannounce.httpd.apache.org%3E
https://httpd.apache.org/security/vulnerabilities_24.html

* Platforms Affected:
Apache HTTP versions 2.4.x prior to 2.4.26
Any operating system Any version
Recommendation Upgrade to the latest version of Apache HTTP Server (2.4.26 or later), available from the Apache Software Foundation download site, http://httpd.apache.org/download.cgi
Related URL CVE-2017-9789 (CVE)
Related URL 99568 (SecurityFocus)
Related URL (ISS)