CVE-2019-14850

Name: CVE-2019-14850
Creator: NVD / NIST
Published: 2021-03-18T19:15:12.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.7/10EPSS 1.60%

Last modified Jun 17, 2026

CVE-2019-14850 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. EPSS estimates a 1.60% chance of exploitation in the next 30 days.

Description

A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.

Metrics

CVSS 3.1

3.7/10

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

EPSS Probability

1.60%

72.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-406

Affected Software

Vendor	Product	Versions
Nbdkit Project	Nbdkit	< 1.12.7
Nbdkit Project	Nbdkit	>= 1.14.0, < 1.14.1
Nbdkit Project	Nbdkit	>= 1.15.0, < 1.15.1
Redhat	Virtualization	4.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux Server	7.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1757258Issue Tracking, Patch, Third Party Advisory
https://www.redhat.com/archives/libguestfs/2019-September/msg00084.htmlExploit, Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1757258Issue Tracking, Patch, Third Party Advisory
https://www.redhat.com/archives/libguestfs/2019-September/msg00084.htmlExploit, Mailing List, Third Party Advisory

Timeline

Published: Mar 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14850?

How severe is CVE-2019-14850?

CVE-2019-14850 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14850?

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-2019-14850?

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

Scan your code now

Source: NVD / NIST