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CVE-2026-39830

nvd nist
Published: May 22, 2026Modified: Jul 24, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Exploitability: 3.9 / Impact: 5.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

Affected (1)

Products: Golang: Crypto
1 product
Crypto
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Before 0.52.0

References (42)

Source: security@golang.org
Issue Tracking
Source: security@golang.org
Issue Tracking
Source: security@golang.org
Issue Tracking
Source: security@golang.org
Mailing List
Source: security@golang.org
Vendor Advisory
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