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CVE-2025-14946

4.8 · MEDIUM

A flaw was found in libnbd.

Published Dec 19, 2025CWE-88EPSS 0.14%

Overview

CVE-2025-14946 is a medium-severity vulnerability. It was published on December 19, 2025 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A flaw was found in libnbd. A malicious actor could exploit this by convincing libnbd to open a specially crafted Uniform Resource Identifier (URI). This vulnerability arises because non-standard hostnames starting with '-o' are incorrectly interpreted as arguments to the Secure Shell (SSH) process, rather than as hostnames. This could lead to arbitrary code execution with the privileges of the user running libnbd.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/security/cve/CVE-2025-14946Refbugzilla.redhat.com/show_bug.cgi?id=2423789Reflibguestfs.org/libnbd-release-notes-1.24.1.html#Security

How CyberStrike helps

Frequently asked questions

What is CVE-2025-14946?

CVE-2025-14946 is a medium-severity vulnerability. It was published on December 19, 2025 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2025-14946?

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-14946?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-14946?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-14946 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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