What’s Vulnerable › Vulnerabilities

CVE-2019-14851

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-18 · updated 2026-06-17
• Weakness: CWE-617

Description

A denial of service vulnerability was discovered in nbdkit. A client issuing a certain sequence of commands could possibly trigger an assertion failure, causing nbdkit to exit. This issue only affected nbdkit versions 1.12.7, 1.14.1, and 1.15.1.

Affected products

• nbdkit: before 1.12.7; from 1.14.0 before 1.14.1; from 1.15.0 before 1.15.1 — fixed in 1.12.7, 1.14.1, 1.15.1

How to fix

Upgrade to a fixed version: nbdkit 1.12.7, 1.14.1, 1.15.1. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1757259
• https://www.redhat.com/archives/libguestfs/2019-September/msg00272.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1757259
• https://www.redhat.com/archives/libguestfs/2019-September/msg00272.html

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