CVE-2018-19155: Navcoin

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

navcoin through 4.3.0 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.

Affected products

• Navcoin Navcoin: up to and including 4.3.0

Published 2019-11-05. Last modified 2026-06-17.