Description
CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.
Published: 2026-10-15
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 21 Oct 2026 07:30:00 +0000

Type Values Removed Values Added
Title Openssh: openssh: shared lz77 compression dictionary leaks plaintext across channels openssh: openssh: shared LZ77 compression dictionary leaks plaintext across channels
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 21 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Description A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection share one LZ77 dictionary. A peer who can write on one channel can recover plaintext from another channel by chosen-plaintext lengths. CVE-2026-110926 has been marked as a duplicate of CVE-2026-106582.
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

Thu, 15 Oct 2026 19:45:00 +0000

Type Values Removed Values Added
References

Thu, 15 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Moderate

Thu, 15 Oct 2026 05:45:00 +0000

Type Values Removed Values Added
Description A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection share one LZ77 dictionary. A peer who can write on one channel can recover plaintext from another channel by chosen-plaintext lengths.
Title Openssh: openssh: shared lz77 compression dictionary leaks plaintext across channels
First Time appeared Redhat
Redhat enterprise Linux
Redhat hummingbird
Redhat openshift
Weaknesses CWE-203
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': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: REJECTED

Assigner: redhat

Published:

Updated: 2026-10-21T06:48:02.933Z

Reserved: 2026-10-15T04:33:35.600Z

Link: CVE-2026-110926

cve-icon Vulnrichment

Updated:

cve-icon NVD

Status : Rejected

Published: 2026-10-15T06:17:01.440

Modified: 2026-10-21T07:17:17.593

Link: CVE-2026-110926

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-15T00:00:00Z

Links: CVE-2026-110926 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T11:30:18Z

Weaknesses