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Servers and applications

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 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.

Severity
High 7.5
Published
28 Mar 2019
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Node.jsServers and applications · cpe:a:nodejs:node.js
  • Every version up to 6.16.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-5739
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-5739