CVE-2026-104424 [LOW] – Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block te

Zebra before 6.1.0 contains an incorrect calculation vulnerability in its ZIP-317 block template selector that omits header and transaction-count size from the block budget. Attackers can place valid selectable transactions in a victim miner’s mempool to shape templates into oversized blocks, causing rejection and wasted proof-of-work.