CVE-2019-15604 Denial of service in Node

What is CVE-2019-15604?

CVE-2019-15604 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 7 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper Certificate Validation in Node.js 10, 12, and 13 causes the process to abort when sending a crafted X.509 certificate

Weakness: CWE-295

Which versions are affected by CVE-2019-15604?

It affects 10 products.

Products include Debian Debian Linux, Nodejs Node.js, Opensuse Leap, Oracle Communications Cloud Native Core Network Function Cloud Native Environment, Oracle Graalvm, Redhat Enterprise Linux and 4 more.

How do I fix CVE-2019-15604?

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-2019-15604 being exploited?

There is no known exploitation of CVE-2019-15604 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2019-15604, CLEANSTART-2026-OM41061, CLEANSTART-2026-TE82502, DEBIAN-CVE-2019-15604, GHSA-4p8g-wmmc-p9f7, UBUNTU-CVE-2019-15604.