Protocol Libp2p-gossipsub vulnerabilities

• protocol libp2p-gossipsub, libp2p rust-libp2p +1 more libp2p-gossipsub: Gossipsub PRUNE Backoff Heartbeat Instant Overflow CVE-2026-34219 Fix available 8.2 HighMarch 30, 2026
• libp2p rust-libp2p, protocol libp2p-gossipsub +1 more libp2p-rust: Gossipsub PRUNE.backoff Duration Overflow CVE-2026-33040 Fix available 8.7 HighMarch 18, 2026