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CVE-2026-34063: Rust Libp2p Handler Paniccve-2026-34063-rust-libp2p-handler-panic

Using `panic!` inside libp2p `ConnectionHandler` negotiation events (`FullyNegotiatedInbound`, `FullyNegotiatedOutbound`) exposes the application to remote Denial of Service (DoS) attacks. An attacker can intentionally negotiate duplicate streams or unexpected states to trigger the panic and crash the node. Handle invalid states gracefully by returning an er

RustCVE-2026-34063CWE-617CWE-754
by Provallyupdated 2026-06-12Apache-2.0
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