VULNERABILITY INTELLIGENCE

CVE-2009-1890

CVSS score7.1 HIGH
EPSS probability16.16%
CISA KEVNot currently listed
Published2009-07-05
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C

Description

The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption

Primary references