PT-2026-55368

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node accepts inbound P2P connections network.listen addr is set, which is the default. 3. Your node's mempool is active node is synced near the chain tip. All default configurations are affected. Summary The...

PT-2026-55470

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.5.0 Description An unauthenticated P2P peer can cause monotonic memory growth in a Zcash node, leading to process termination by the operating system due to memory exhaustion or performance degradation from swap...

GO-2023-1883 Denial of service via OOM in github.com/cometbft/cometbft

A bug in the CometBFT middleware causes the mempool's two data structures to fall out of sync. This can lead to duplicate transactions that cannot be removed, even after they are committed in a block. The only way to remove the transaction is to restart the node. This can be exploited by an...