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Servers and applications

CVE-2016-1546

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.

Severity
Medium 5.9
Published
6 Jul 2016
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.4.17
  • Version 2.4.18

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-1546
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-1546