{"id":"CVE-2026-109363","state":"PUBLISHED","title":"Zebra 6.4.0 before 6.4.2 Denial of Service via Malformed v6 Transaction","description":"ZcashFoundation Zebra 6.4.0 before 6.4.2 parses version 6 transactions carrying a pre-NU6.3 consensus branch ID, but the size computation during UnminedTx construction treats re-serialization of the Orchard bundle as infallible, so the resulting error trips an expect that aborts zebrad. 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