CVE-2018-19158: Colossusxt Colossuscoinxt

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

ColossusCoinXT through 1.0.5 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service, exploitable by an attacker who acquires even a small amount of stake/coins in the system. The attacker sends invalid headers/blocks, which are stored on the victim's disk.

Affected products

• Colossusxt Colossuscoinxt: up to and including 1.0.5

Published 2019-03-21. Last modified 2026-06-17.