Zfnd Zebra-script vulnerabilities

• zcashfoundation zebra, zfnd zebra-script, zebrad +2 more ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling due to Stale Buffer CVE-2026-44497 Fix available 9.3 CriticalMay 7, 2026
• zcashfoundation zebra, zfnd zebra-script, zebrad +2 more ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling CVE-2026-41583 Fix available 9.3 CriticalApril 18, 2026