All vulnerabilities

Servers and applications

CVE-2016-8743

Apache HTTP Server, in all releases prior to 2.2.32 and 2.4.25, was liberal in the whitespace accepted from requests and sent in response lines and headers. Accepting these different behaviors represented a security concern when httpd participates in any chain of proxies or interacts with back-end application servers, either through mod_proxy or using conventional CGI mechanisms, and may result…

Severity
High 7.5
Published
27 Jul 2017
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
  • From 2.2.0 up to 2.2.31
  • From 2.4.1 up to 2.4.23

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-8743
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-8743