CVE-2026-39827

MediumCVSS 6.5/10Last modified Jul 23, 2026

Description

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 22, 2026
Last modified
Jul 23, 2026
NVD status
Analyzed

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CVE-2026-39827: Medium severity, CVSS 6.5 | Vulnix