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CVE-2026-39827

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused…

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 25 Oct 2026 09:17:24 UTC. Read the latest advisory.

nvd · CVE-2026-39827

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2026-39827

Published

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 remov…

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.

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-924

Original publisher date fields

published: 2026-05-22T04:16:21.497

lastModified: 2026-07-23T16:10:00.137

1 source CPE criteria · context only
  • cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published
22 May 2026 04:16:21 UTC
Source modified
23 Jul 2026 16:10:00 UTC
Saved here
25 Oct 2026 09:17:24 UTC
Source terms
NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

ChangeIntel

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Sources read 15 Nov 22:09 UTC · 274 of 275 readable · 268 fully read · documentation 461/469 current

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