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Vulnerability record · CVE-2019-14850 · published 18 March 2021

CVE-2019-14850: Nbdkit project nbdkit vulnerability

NNbdkit Project · Nbdkit

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.

3.7 CVSS 3.1 Low EPSS 1.6% · top 25.0% CWE-406 · CWE-406
3.7CVSS 3.1 base score, v2 2.6
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1757258 Issue TrackingPatchThird Party Advisory
https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html ExploitMailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1757258 Issue TrackingPatchThird Party Advisory
https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html ExploitMailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-14850), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.