Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2016-1546

Published: Jul 06, 2016 | Modified: Apr 12, 2025
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
4.3 MODERATE
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-1546
CWEhttps://cwe.mitre.org/data/definitions/399.html

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.

Affected Software

NameVendorStart VersionEnd Version
Http_serverApache2.4.17 (including)2.4.17 (including)
Http_serverApache2.4.18 (including)2.4.18 (including)
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHathttpd24-httpd-0:2.4.25-9.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUSRedHathttpd24-httpd-0:2.4.25-9.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHathttpd24-httpd-0:2.4.25-9.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUSRedHathttpd24-httpd-0:2.4.25-9.el7*
Apache2Ubuntuupstream*

References

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