CVE-2023-34450 CometBFT PeerState JSON serialization deadlock

CometBFT is a Byzantine Fault Tolerant BFT middleware that takes a state transition machine and replicates it on many machines. An internal modification made in versions 0.34.28 and 0.37.1 to the way struct PeerState is serialized to JSON introduced a deadlock when new function MarshallJSON is...