CVE-2026-34202: Improper Neutralization of Special Elements Used in a Template Engine

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.0 and zebra-chain version 6.0.1, a vulnerability in Zebra's transaction processing logic allows a remote, unauthenticated attacker to cause a Zebra node to panic crash. This is triggered by sending a specially crafted V5...

Zebra node crash — V5 transaction hash panic (P2P reachable)

--- Remote Denial of Service via Crafted V5 Transactions Summary A vulnerability in Zebra's transaction processing logic allows a remote, unauthenticated attacker to cause a Zebra node to panic crash. This is triggered by sending a specially crafted V5 transaction that passes initial...