ZcashFoundation zebra-state

• CVE-2026-52733 Medium 6.5 ZEBRA: Persistent on-disk corruption of Sapling/Orchard subtree roots after chain fork via pop_tip 0.4%
• CVE-2026-52738 Medium 6.9 ZEBRA: Finalized address balance credit-first overflow on consensus-valid blocks 0.5%
• CVE-2026-52739 Medium 5.9 ZEBRA: Repeated Non-Finalized Shielded Transaction Aborts Zebra Before Duplicate-Nullifier Rejection 0.5%