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Critical severity9.1NVD Advisory· Published May 22, 2026· Updated Jun 2, 2026

CVE-2026-39830

CVE-2026-39830

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.

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Affected products

2714

Patches

Vulnerability mechanics

References

5

News mentions

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