A flaw was found in OpenSSH. After compression is negotiated, a compressed payload can expand past the maximum supported packet size because the inflate loop does not stop at that limit. Memory use grows in the process handling that connection.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

Leave Compression disabled. The client default is already off.

History

Thu, 15 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in OpenSSH. After compression is negotiated, a compressed payload can expand past the maximum supported packet size because the inflate loop does not stop at that limit. Memory use grows in the process handling that connection.
Title Openssh: openssh: a compressed payload can expand past the maximum packet size
First Time appeared Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
Weaknesses CWE-770
CPEs cpe:/a:redhat:hummingbird:1
cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-15T13:07:57.789Z

Reserved: 2026-10-15T04:33:39.253Z

Link: CVE-2026-110927

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-15T14:17:22.760

Modified: 2026-10-15T14:17:22.760

Link: CVE-2026-110927

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses