CVE-2026-39830
CRITICAL9.1CVSS v3
—CVSS v2
0.05%
EPSS (exploit probability)
CWE-119CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected routers (0)
No routers currently mapped to this CVE in our database.