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CVE-2026-39830

CRITICAL(9.1)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Risk Signal Score23/100 — NIEDRIG
  • CVSS 9.1 — Kritisch

EPSS-Score

1%

Exploit-Wahrscheinlichkeit (30 Tage)

CVSS Score

9.1

Technische Schwere

Beschreibung

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.

GitHub Advisories

GHSA-vgwf-h737-ff37CRITICAL

golang.org/x/crypto: Invoking client can cause server deadlock on unexpected responses

go/golang.org/x/crypto→ 0.52.0
GitHub Advisory

Referenzen