Product
critical
advisory
Zebra Consensus Failure due to Improper SIGHASH_SINGLE Validation
2 rules 1 TTPZebra 4.4.0 failed to enforce a ZIP-244 consensus rule for V5 transparent transactions, potentially leading to a consensus split with zcashd nodes if an input is signed with `SIGHASH_SINGLE` and there is no corresponding output.
zebra +1
consensus failure
signature validation
network partition
2r
1t
critical
advisory
Zebra Consensus Split Vulnerability Due to SIGHASH_SINGLE Handling
2 rulesZebra and zcashd disagree on a consensus rule for V5+ transparent spends related to SIGHASH_SINGLE handling when the input index has no corresponding output, leading to a consensus split where Zebra accepts invalid blocks rejected by zcashd.
Zebra +2
consensus
vulnerability
blockchain
2r