SB20251210175 - Red Hat Enterprise Linux 9 update for libssh
Published: December 10, 2025
Security Bulletin ID
SB20251210175
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- 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.