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.
CVE-2019-14850
This low-severity CVE scores 3.7 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 47% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 3.7
- EG Score
- 3.7(medium)
- EPSS
- 72.9%
- KEV
- Not listed
Published
March 18, 2021
Last Modified
November 21, 2024
References (4)
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1757258
- secalert@redhathttps://www.redhat.com/archives/libguestfs/2019-September/msg00084.html
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1757258
- af854a3a-2127-422b-91ae-364da2661108https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | nbdkit-0:1.8.0-3.el7 | 2020-03-31 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 7× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
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- 2026-06-13 11:43 UTCOSV refresh
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- 2026-05-26 19:37 UTCEG score recompute
- 2026-05-26 19:37 UTCVendor advisory
- 2026-05-26 19:37 UTCGHSA enrichment
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-23 17:05 UTCOSV refresh
Frequently asked(5)
What is CVE-2019-14850?
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What is the CVSS score of CVE-2019-14850?
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Dependency Blast Radius
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