CVE-2019-15605 Other in Node

Critical 9.8 Published 7 Feb 2020 Updated 30 Apr 2025

Attackers can exploit HTTP request smuggling in Node.js to deliver malicious payloads via malformed transfer-encoding headers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2019-15605?

CVE-2019-15605 is a critical 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

HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed

Weakness: CWE-444

Which versions are affected by CVE-2019-15605?

It affects 13 products.

Linux distribution packages (24)

`http-parser` Red Hat:enterprise_linux:7::client	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-devel` Red Hat:enterprise_linux:7::client	All versions	`0:2.7.1-8.el7_7.2`
`http-parser` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-devel` Red Hat:enterprise_linux:7::computenode	All versions	`0:2.7.1-8.el7_7.2`
`http-parser` Red Hat:enterprise_linux:7::server	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-devel` Red Hat:enterprise_linux:7::server	All versions	`0:2.7.1-8.el7_7.2`
`http-parser` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.7.1-8.el7_7.2`
`http-parser-devel` Red Hat:enterprise_linux:7::workstation	All versions	`0:2.7.1-8.el7_7.2`
`http-parser` Red Hat:enterprise_linux:8::appstream	All versions	`0:2.8.0-5.el8_1.2`
`http-parser-debuginfo` Red Hat:enterprise_linux:8::appstream	All versions	`0:2.8.0-5.el8_1.2`
`http-parser-debugsource` Red Hat:enterprise_linux:8::appstream	All versions	`0:2.8.0-5.el8_1.2`
`http-parser` Red Hat:rhel_e4s:8.0::appstream	All versions	`0:2.8.0-2.el8_0.2`
`http-parser-debuginfo` Red Hat:rhel_e4s:8.0::appstream	All versions	`0:2.8.0-2.el8_0.2`
`http-parser-debugsource` Red Hat:rhel_e4s:8.0::appstream	All versions	`0:2.8.0-2.el8_0.2`
`http-parser` Red Hat:rhel_eus:7.6::computenode	All versions	`0:2.7.1-5.el7_6.1`
`http-parser-debuginfo` Red Hat:rhel_eus:7.6::computenode	All versions	`0:2.7.1-5.el7_6.1`
`http-parser-devel` Red Hat:rhel_eus:7.6::computenode	All versions	`0:2.7.1-5.el7_6.1`
`http-parser` Red Hat:rhel_eus:7.6::server	All versions	`0:2.7.1-5.el7_6.1`
`http-parser-debuginfo` Red Hat:rhel_eus:7.6::server	All versions	`0:2.7.1-5.el7_6.1`
`http-parser-devel` Red Hat:rhel_eus:7.6::server	All versions	`0:2.7.1-5.el7_6.1`

Products include Debian Debian Linux, Fedoraproject Fedora, Nodejs Node.js, Opensuse Leap, Oracle Graalvm, Redhat Enterprise Linux and 7 more.

How do I fix CVE-2019-15605?

Upgrade to a fixed version.

Is CVE-2019-15605 being exploited?

There is no known exploitation of CVE-2019-15605 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2019-15605, CLEANSTART-2026-EW03661, CLEANSTART-2026-YO77738, DEBIAN-CVE-2019-15605, GHSA-rv6p-2q56-m955, MGASA-2020-0131 and 5 more.