VDB-314354 · CVE-2025-4878 · EUVD-2025-22335

libssh up to 0.11.1 privatekey_from_file uninitialized pointer

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4.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in libssh up to 0.11.1. The impacted element is the function privatekey_from_file. Such manipulation leads to uninitialized pointer. This vulnerability is traded as CVE-2025-4878. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in libssh up to 0.11.1. Affected by this issue is the function privatekey_from_file. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. Using CWE to declare the problem leads to CWE-824. The product accesses or uses a pointer that has not been initialized. The impact remains unknown. CVE summarizes:

A vulnerability was found in libssh, where an uninitialized variable exists under certain conditions in the privatekey_from_file() function. This flaw can be triggered if the file specified by the filename doesn't exist and may lead to possible signing failures or heap corruption.

The advisory is available at libssh.org. This vulnerability is handled as CVE-2025-4878. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 241379 (SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libssh (SUSE-SU-2025:02229-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.11.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (241379), EUVD (EUVD-2025-22335) and CERT Bund (WID-SEC-2025-1423). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Red Hat Enterprise Linux
Fedora Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
NetApp AFF
NetApp ActiveIQ Unified Manager
RESF Rocky Linux
Dell Avamar
NetApp FAS
Open Source libssh
IBM App Connect Enterprise
Dell NetWorker
Dell Secure Connect Gateway
Red Hat OpenShift
Meinberg LANTIME
IBM Security Verify Access
IBM QRadar SIEM

Productinfo

Name

libssh

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.6
CNA Vector: 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 241379
Nessus Name: SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libssh (SUSE-SU-2025:02229-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: libssh 0.11.2

Timelineinfo

06/28/2025 Advisory disclosed
06/28/2025 +0 days VulDB entry created
01/25/2026 +211 days VulDB entry last update

Sourcesinfo

Advisory: libssh.org
Status: Confirmed

CVE: CVE-2025-4878 (🔒)
GCVE (CVE): GCVE-0-2025-4878
GCVE (VulDB): GCVE-100-314354
EUVD: 🔒
CERT Bund: WID-SEC-2025-1423 - libssh: Mehrere Schwachstellen

Entryinfo

Created: 06/28/2025 13:27
Updated: 01/25/2026 18:07
Changes: 06/28/2025 13:27 (50), 07/05/2025 12:45 (2), 07/24/2025 17:20 (1), 07/26/2025 04:15 (13), 10/18/2025 19:46 (7), 10/20/2025 10:45 (1), 11/03/2025 19:33 (1), 11/28/2025 11:21 (1), 11/28/2025 16:26 (1), 12/18/2025 17:55 (1), 01/25/2026 18:07 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.