CVE-2018-12122
nodejs: Slowloris HTTP Denial of Service
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 27, 2018
Updated · August 5, 2026
Description
It was found that Node.js HTTP server was vulnerable to a Slowloris type attack. An attacker could make long lived connections by sending bytes very slowly to the server, saturating its resource and possibly resulting in a denial of service.
Statement
The nodejs RPMs shipped in Red Hat OpenShift Container Platform (OCP) versions 3.6 through 3.10 are vulnerable to this flaw because they contain the affected code. Later versions of OCP used nodejs RPMs delivered from Red Hat Software Collections and Red Hat Enterprise Linux channels.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
The use of a Load Balancer or a Reverse Proxy will increase the difficulty of the attack.
CVSS / CWE
CVSS 3.0 · 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-400 · Uncontrolled Resource Consumption