UpHeron
All vulnerabilities

Servers and applications

CVE-2016-8740

The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.

Severity
High 7.5
Published
5 Dec 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 2.4.23
  • Version 2.4.22
  • Version 2.4.21
  • Version 2.4.20
All 7 release lines
  • Version 2.4.17
  • Version 2.4.18
  • Version 2.4.19
  • Version 2.4.20
  • Version 2.4.21
  • Version 2.4.22
  • Version 2.4.23

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-8740
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-8740