CVE-2023-47345: FREE5GC

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.

Affected products

• FREE5GC FREE5GC: version 3.3.0 only

Published 2023-11-15. Last modified 2026-06-17.