Improper input validation in Apache Http_server

CVE-2015-3183

The chunked transfer coding implementation in the Apache HTTP Server before 2.4.14 does not properly parse chunk headers, which allows remote attackers to conduct HTTP request smuggling attacks via a crafted request, related to mishandling…

EPSS: 0.727 (99.4th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-3183?
CVE-2015-3183 is a vulnerability in Apache Http_server, classified under CWE-17. Published 2015-07-20.
Is CVE-2015-3183 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.