CVE-2025-14946: Red Hat Libnbd

Medium severity, CVSS 4.8. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Red Hat Libnbd: from 1.22.0, before 1.22.5 (fixed in 1.22.5); from 1.23.0, before 1.23.9 (fixed in 1.23.9)
• Red Hat Red Hat Enterprise Linux 10
• Red Hat Red Hat Enterprise Linux 8
• Red Hat Red Hat Enterprise Linux 9
• Red Hat Red Hat Openshift Virtualization 4

Published 2025-12-19. Last modified 2026-10-07.