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SUSE CVE-2026-56855

🗓️ 04 Sep 2026 00:23:19Reported by Suse CVEType 
susecve
 susecve🔗 www.suse.com👁 19 Views

SSH channel deadlock via crafted RFC 4254 messages after channel establishment enabling DoS.

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Refs
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Tenable Nessus		Fedora 45 : opkssh (2026-559bbb39f5)
20 Sep 202600:00
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Tenable Nessus		Fedora 44 : doctl (2026-ad8394dc92)
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OSOS VersionArchitecturePackagePackage VersionFilename
SUSE Linux Enterprise Server12noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server12.3noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server12.4noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server12.5noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications12noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications12.3noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications12.4noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server for SAP applications12.5noarchamazon-ssm-agent3.3.5390.0-4.52.1amazon-ssm-agent-3.3.5390.0-4.52.1.noarch.rpm
SUSE Linux Enterprise Server15.4noarchamazon-ssm-agent3.3.5390.0-150000.5.43.1amazon-ssm-agent-3.3.5390.0-150000.5.43.1.noarch.rpm
SUSE Linux Enterprise Server15.5noarchamazon-ssm-agent3.3.5390.0-150000.5.43.1amazon-ssm-agent-3.3.5390.0-150000.5.43.1.noarch.rpm
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24 Sep 2026 16:33Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.005
SSHRFC 4254channel deadlockdenial of serviceSUSE
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