CVE-2018-12122

Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Slowloris HTTP Denial of Service: An attacker can cause a Denial of Service (DoS) by sending headers very slowly keeping HTTP or HTTPS connections and associated resources alive for a long period of time.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

41% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-25)

CWE

CWE-400

Published

2018-11-28

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• nodejs:node.js
• suse:suse_enterprise_storage
• suse:suse_linux_enterprise_server
• suse:suse_openstack_cloud

References

• http://www.securityfocus.com/bid/106043
• https://access.redhat.com/errata/RHSA-2019:1821
• https://nodejs.org/en/blog/vulnerability/november-2018-security-releases/
• https://security.gentoo.org/glsa/202003-48
• http://www.securityfocus.com/bid/106043

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