ZeroHour

CVE-2026-39830

CVSS 3.1
9.1 critical
EPSS
<1%p48
Published
()
Modified
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.

Vendors
golang
Products
crypto
Ecosystems
go
Weakness
CWE-119, CWE-772
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GHSA
GHSA-vgwf-h737-ff37 (critical)

In the news

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