CVE-2019-10196

Name: CVE-2019-10196
Creator: NVD / NIST
Published: 2021-03-19T20:15:13.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.39%

Last modified Jun 17, 2026

CVE-2019-10196 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option to the Buffer constructor without proper sanitization. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option to the Buffer constructor without proper sanitization. This could result in a Denial of Service through the usage of all available CPU resources and data exposure through an uninitialized memory leak in setups where an attacker could submit typed input to the auth parameter.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.39%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-665

Affected Software

Vendor	Product	Versions
Http-Proxy-Agent Project	Http-Proxy-Agent	< 2.1.0
Fedoraproject	Fedora	27
Redhat	Software Collections	All versions
Redhat	Enterprise Linux	7.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1567245Issue Tracking, Patch, Third Party Advisory
https://www.npmjs.com/advisories/607Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1567245Issue Tracking, Patch, Third Party Advisory
https://www.npmjs.com/advisories/607Third Party Advisory

Timeline

Published: Mar 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10196?

How severe is CVE-2019-10196?

CVE-2019-10196 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10196?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10196?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST