CVE-2016-8743

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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 in request smuggling, response splitting and cache pollution.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

VendorProductVersions
Apache Software FoundationApache HTTP Server2.2.0 to 2.2.31, 2.4.1 to 2.4.23

References

Timeline

Published
Jul 27, 2017
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2016-8743: High severity, CVSS 7.5 | Vulnix