CVE-2023-47346: FREE5GC

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability in free5gc 3.3.0, UPF 1.2.0, and SMF 1.2.0 allows attackers to cause a denial of service via crafted PFCP messages.

Affected products

• FREE5GC FREE5GC: version 3.3.0 only
• FREE5GC Smf: version 1.2.0 only
• FREE5GC Upf: version 1.2.0 only

Published 2023-11-13. Last modified 2026-06-17.