CVE-2025-63829: Eprosima Fast Dds

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

eProsima Fast-DDS v3.3 and before has an infinite loop vulnerability caused by integer overflow in the Time_t:: fraction() function.

Affected products

• Eprosima Fast Dds: up to and including 3.3.0

Published 2025-11-18. Last modified 2026-06-17.