SB20251031150 - SUSE update for libssh



SB20251031150 - SUSE update for libssh

Published: October 31, 2025

Security Bulletin ID SB20251031150
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
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 1 security vulnerability.


1) Memory leak (CVE-ID: CVE-2025-8277)

The vulnerability allows a remote user to perform DoS attack on the target system.

The vulnerability exists due memory leak when handling key exchange (KEX) processes if a client repeatedly sends incorrect KEX guesses. A remote user can force the application to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.