VULNERABILITY INTELLIGENCE

CVE-2015-3183

CVSS score5 MEDIUM
EPSS probability73.33%
CISA KEVNot currently listed
Published2015-07-20
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N

Description

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 of large chunk-size values and invalid chunk-extension characters in modules/http/http_filters.c.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references