Use After Free Affecting libssh2 package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.18% (8th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBSSH2-10608912
  • published4 Jul 2025
  • disclosed24 Jun 2025

Introduced: 24 Jun 2025

CVE-2025-4878  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libssh2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh2 package and not the libssh2 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1