Threats Tagged 'ubuntu-cve-2026-56855'
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Threats Tagged 'ubuntu-cve-2026-56855'
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0 CVE-2026-56855 is a high-severity vulnerability in the golang.org/x/crypto/ssh package that allows a malicious peer to cause a deadlock in an SSH connection by sending crafted messages after the SSH channel is established. The issue arises because the package buffers unexpected messages instead of treating them as protocol errors, leading to blocking behavior. The vulnerability is addressed by explicitly handling all RFC 4254 channel messages and terminating connections upon receiving unexpected messages. Join the discussion | CVE Database V5 | 09/14/2026, 00:00:00 UTC Added: 09/02/2026, 19:52:41 UTC |
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