CVE-2011-3493: Cogentdatahub Cogent Datahub

High severity, CVSS 10.0. EPSS: 8% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in the DH_OneSecondTick function in Cogent DataHub 7.1.1.63 and earlier allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long (1) domain, (2) report_domain, (3) register_datahub, or (4) slave commands.

Affected products

• Cogentdatahub Cogent Datahub: up to and including 7.1.1.63; version 7.0 only; version 7.0.2 only; version 7.1.0 only; version 7.1.1 only

Published 2011-09-16. Last modified 2026-06-16.