CVE-2026-104436

Zebra before 4.5.0 contains an uncontrolled resource consumption vulnerability that allows remote P2P peers to exhaust blocking-pool threads by sending oversized block locator vectors. Attackers can send getblocks or getheaders messages with up to 65,535 locator hashes, triggering per-hash chain...

EUVD-2026-91446

Zebra before 4.5.0 contains an uncontrolled resource consumption vulnerability that allows remote P2P peers to exhaust blocking-pool threads by sending oversized block locator vectors. Attackers can send getblocks or getheaders messages with up to 65,535 locator hashes, triggering per-hash chain...

CVE-2026-104436

Zebra versions before 4.5.0 are susceptible to an uncontrolled resource consumption vulnerability. Remote P2P peers can exhaust blocking-pool threads by transmitting oversized block locator vectors, specifically by sending getblocks or getheaders messages containing up to 65,535 locator hashes . ...