CVE-2025-14946 - CVE House

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Status published Medium CVE-2025-14946

Libnbd: libnbd: arbitrary code execution via ssh argument injection through a malicious uri

4.8 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Libsoup: improper handling of http vary header in libsoup caching

Gnutls: stack-based buffer overflow in gnutls_pkcs11_token_init() function

Affected Vendor

Red Hat

View all reports →

Affected Software

libnbd, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Virtualization 4

Vulnerable Versions:

1.22.0, 1.23.0

Timeline

Official Publish: December 19th, 2025

Last Modified: December 22nd, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1059 Command and Scripting Interpreter

T1068 Exploitation for Privilege Escalation

Privilege Escalation