CVE-2019-5739 Denial of service in Node.js

What is CVE-2019-5739?

CVE-2019-5739 is a high-severity denial of service vulnerability in Nodejs Node.js, published on 28 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-770, CWE-400

Which versions are affected by CVE-2019-5739?

It affects 2 products.

Products include Nodejs Node.js, Opensuse Leap.

How do I fix CVE-2019-5739?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-5739 being exploited?

There is no known exploitation of CVE-2019-5739 in the wild and no public exploit code.

Other vulnerabilities in Nodejs Node.js

• CVE-2023-32002 Security feature bypass in Node Critical 9.8
• CVE-2016-6303 Integer overflow in n/a Critical 9.8
• CVE-2017-15896 Security feature bypass in Node.js Critical 9.1
• CVE-2018-7160 Server-side request forgery in Node.js High 8.8
• CVE-2018-12120 Misconfiguration in Node.js High 8.1

All Nodejs Node.js vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-5739, GHSA-wr35-fh22-q84x, UBUNTU-CVE-2019-5739.