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Medium 5.3
ZEBRA: Sync restart poisoning from single unauthenticated peer via above-lookahead block
ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a malicious unauthenticated P2P peer can answer Zebra's outbound getblocks or FindBlocks request with a small two-hash inventory and then serve a syntactically valid block whose coinbase height i…