CVE-2018-19151: Qtum

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

qtum through 0.16 (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

• Qtum Qtum: up to and including 0.16

Published 2019-10-29. Last modified 2026-06-17.