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CVE-2019-5739

Keep-alive HTTP and HTTPS connections can remain open and inactive for up to 2 minutes in Node.js 6.16.0 and earlier. Node.js 8.0.0…

High7.5EPSS 4.9%
Published
Updated
Reserved
Assigned by
nodejs

Description

Keep-alive HTTP and HTTPS connections can remain open and inactive for up to 2 minutes in Node.js 6.16.0 and earlier. Node.js 8.0.0 introduced a dedicated server.keepAliveTimeout which defaults to 5 seconds. The behavior in Node.js 6.16.0 and earlier is a potential Denial of Service (DoS) attack vector. Node.js 6.17.0 introduces server.keepAliveTimeout and the 5-second default.

Scores

CVSS scores of CVE-2019-5739, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
4.9% · top 7.8% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

References (5)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2019-5739 badge
[![CVE-2019-5739](https://trackcve.app/badge/CVE-2019-5739.svg)](https://trackcve.app/cve/CVE-2019-5739)

Record last updated .