CVEvulnerability

CVE-2018-11763

5.9 MEDIUM Published 2018-09-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-09-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P

Description

In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.

Affected configurations

• apache http server (>= 2.4.17 <= 2.4.34) • canonical ubuntu linux 18.04 • redhat enterprise linux 6.0 • redhat enterprise linux 7.0 • redhat enterprise linux 7.4 • redhat enterprise linux 7.5 • redhat enterprise linux 7.6 • oracle enterprise manager ops center 12.3.3 • oracle hospitality guest access 4.2.0 • oracle hospitality guest access 4.2.1 • oracle instantis enterprisetrack 17.1 • oracle instantis enterprisetrack 17.2 • oracle instantis enterprisetrack 17.3 • oracle retail xstore point of service 7.0 • oracle retail xstore point of service 7.1 • oracle secure global desktop 5.4 • netapp storage automation store

References