CVE-2018-19153: particl through 0.17 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service.

Security readout for executives and security teams

CVE-2018-19153 is a denial-of-service issue in Particl through version 0.17. A remote attacker can send invalid blockchain data that consumes a victim node's disk and memory. The sources say the attack requires no stake, so exposed nodes may be disrupted without normal proof-of-stake participation. Exposure is likely limited to organizations running Particl nodes through 0.17, especially Internet-reachable nodes accepting peer traffic. The source bundle does not identify affected CPEs, packaged distributions, or downstream products. Treat this as availability risk for exposed Particl infrastructure. Priority is high where nodes support production services or customer-facing workflows; lower where there are no Particl deployments or only isolated test nodes. Mitigation focus: Inventory Particl nodes and identify any running version 0.17 or earlier.; Check official Particl guidance or release notes for the corrected version.; Prioritize reducing unnecessary Internet exposure for vulnerable nodes..

Prepared

Jun 6, 2026, 12:31 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.