SB202502195930 - SUSE update for openssh 

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Main Vulnerability Database SB202502195930

SB202502195930 - SUSE update for openssh

Published: February 19, 2025 Updated: June 27, 2025

Security Bulletin ID SB202502195930
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2025-26465)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to incorrect processing of user-supplied data in ssh(1). A remote attacker can perform server impersonation when VerifyHostKeyDNS enabled.


2) Input validation error (CVE-ID: CVE-2025-26466)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input related to SSH2_MSG_PING handling in sshd(8). A remote attacker can send specially crafted packets to the server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References