CVE-2026-78662 - Libp2p Mux Channel Denial of Service Vulnerability

CVE-2026-78662 - Libp2p Mux Channel Denial of Service Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Thu, 09/03/2026 - 04:29
CVE ID :CVE-2026-78662
Published : Sept. 2, 2026, 8:17 p.m. | 4 hours, 46 minutes ago
Description :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.
Severity: 0.0 | NA
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