SB2026051115 - Red Hat Enterprise Linux 8 update for openssh
Published: May 11, 2026
Security Bulletin ID
SB2026051115
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource management error (CVE-ID: CVE-2026-3497)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of disconnecting clients in OpenSSH GSSAPI Key Exchange when GSSAPIKeyExchange setting is enabled. An authenticated user can crash the OpenSSH server or potentially execute arbitrary code.
Remediation
Install update from vendor's website.