CVE-2026-109365 Zebra before 6.4.0 Denial of Service via Same-Hash Forged Block Bodies

Zebra before 6.4.0 contains an uncontrolled resource consumption vulnerability that allows unauthenticated peers to force full proof verification by serving forged block bodies with valid header hashes. Attackers can flip authorizing-only bytes such as a coinbase scriptSig, wasting Sapling,...