CVE Catalog

CVE-2026-30056

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

25th percentile - higher than 25% of all known CVEs

Summary

A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via supplying crafted NGAP messages during the initialization of a new RAN connection.

Risk Assessment

The attack can crash the NGAP dispatcher, leading to disruptions in RAN communication and service unavailability.

Recommendation

Update free5gc to a patched version or apply available security fixes.

Original NVD description (English source)

A NULL pointer dereference in the AMF NGAP Dispatcher component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via supplying crafted NGAP messages during the initialization of a new RAN connection.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS