PT-2026-55472

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.5.0 Description A remote unauthenticated P2P peer can stall a Zcash node by racing an invalid block body against a valid canonical body for the same block header hash. This is possible because ZIP-244 allows an attack...

PT-2026-55393

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 and is syncing or catching up to the chain tip. Summary A malicious peer can answer Zebra's outbound getblocks/FindBlocks request with a small two-hash inventory, then ser...