SB2025081494 - Incorrect calculation in libssh



SB2025081494 - Incorrect calculation in libssh

Published: August 14, 2025 Updated: February 24, 2026

Security Bulletin ID SB2025081494
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Incorrect calculation (CVE-ID: CVE-2025-5372)

The vulnerability allows a remote user to perform MitM attack.

The vulnerability exist due to incorrect calculation within the ssh_kdf() function responsible for key derivation when built with OpenSSL versions older than 3.0. A remote user can compromise the integrity of the SSH session. 


Remediation

Install update from vendor's website.