[3.7] apache2: DoS for HTTP/2 connections by continuous SETTINGS (CVE-2018-11763)

In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time
without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.

Fixed in Version:

Apache httpd 2.4.35

References:

https://httpd.apache.org/security/vulnerabilities\_24.html

(from redmine: issue id 9579, created on 2018-10-25, closed on 2018-10-29)

Relations:
- parent #9576 (closed)
Changesets:
- Revision ea785d01 by Andy Postnikov on 2018-10-28T13:27:58Z:

main/apache2: security upgrade to 2.4.35 (CVE-2018-11763)

fixes #9579

Revision aa79b6b1 by Natanael Copa on 2018-10-29T18:26:37Z:

main/xorg-server: security upgrade to 1.20.3 (CVE-2018-14665)

fixes #9579

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