CVE-2026-104431 Zebra before 6.0.0 Denial of Service via Synchronous Script FFI Verification

Zebra before 6.0.0 contains a denial of service vulnerability that allows unauthenticated peers to stall Tokio workers by submitting mempool transactions requiring expensive synchronous script verification. Attackers can send non-standard high-sigop P2SH transactions that reach...