Vulnerability Database

296,138

Total vulnerabilities in the database

CVE-2016-8740

The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.

  • Published: Dec 5, 2016
  • Updated: Apr 13, 2023
  • CVE: CVE-2016-8740
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
apache / http_server 2.4.20 2.4.20.x
apache / http_server 2.4.23 2.4.23.x
apache / http_server 2.4.18 2.4.18.x
apache / http_server 2.4.22 2.4.22.x
apache / http_server 2.4.19 2.4.19.x
apache / http_server 2.4.17 2.4.17.x
apache / http_server 2.4.21 2.4.21.x