CVE-2016-1546

Medium

Description

The Apache HTTP Server 2.4.17 and 2.4.18, when mod_http2 is enabled, does not limit the number of simultaneous stream workers for a single HTTP/2 connection, which allows remote attackers to cause a denial of service (stream-processing outage) via modified flow-control windows.

SeverityMedium

CVSS5.9

Exploit probability—

Product

Apache Http Server

PublishedJul 6, 2016

First seenJul 6, 2016

How to fix

Vendor advisories

security.gentoo.org/glsa/201610-02
access.redhat.com/errata/RHSA-2017:1161

Affected products

Product	Affected versions	Fixed in
apache http_server	2.4.17, 2.4.18	—

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