CVE-2023-34451

CometBFT is a Byzantine Fault Tolerant BFT middleware that takes a state transition machine and replicates it on many machines. The mempool maintains two data structures to keep track of outstanding transactions: a list and a map. These two data structures are supposed to be in sync all the time ...

CVE-2023-34451

Summary: CVE-2023-34451 affects CometBFT. The mempool’s two data structures (list and map) can fall out of sync, causing duplicate transactions that cannot be fully removed until a restart. This issue is described across multiple sources (NVD, GHSA, OSV) with concrete steps and impact details. Af...