CVE-2026-52736

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a remote unauthenticated P2P peer can stall a Zebra node by racing an invalid block body against the valid canonical body for the same block header hash. ZIP-244 permits the attacker to mutate coinbase scriptSig authentication data...

EUVD-2026-61171

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a remote unauthenticated P2P peer can stall a Zebra node by racing an invalid block body against the valid canonical body for the same block header hash. ZIP-244 permits the attacker to mutate coinbase scriptSig authentication data...

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...