Zebra: Repeated Non-Finalized Shielded Transaction Aborts Zebra Before Duplicate-Nullifier Rejection

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node processes blocks past the checkpoint height non-finalized state is active. 3. The network has NU5 or later activated. All default configurations are affected. Summary Chain::push in the non-finalized sta...

GHSA-4M69-67M6-PRQP Zebra has block suppression via NU5 same-header body poisoning of sent-hash cache

Description Am I affected You are affected if: 1. You run any version of zebrad up to and including v4.4.1. 2. Your node accepts inbound P2P connections network.listenaddr is set, which is the default. 3. Your node processes blocks past the checkpoint height non-finalized state is active. All...

PT-2026-55475

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.5.0 Description A malicious block producer can cause the zebrad process to terminate by placing the same shielded transaction in a non-finalized parent block and its child. In the Chain::push function within...