Vulnerability Details CVE-2026-78662
Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection. Now, we add an atomic established state, set when a channel becomes usable. Until such a time, handlePacket drops every packet other than the open confirmation/failure, without blocking and without tearing down the connection.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 6.7%
CVSS Severity
CVSS v3 Score 7.5