Vulnerability Description
A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to denial of service. The attack may be performed from remote. This patch is called 52e9386401ce56ea773c5aa587d4cdf7d53da799. It is best practice to apply a patch to resolve this issue.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/free5gc/amf/commit/52e9386401ce56ea773c5aa587d4cdf7d53da799
- https://github.com/free5gc/amf/pull/198
- https://github.com/free5gc/free5gc/
- https://github.com/free5gc/free5gc/issues/792
- https://vuldb.com/?ctiid.352319
- https://vuldb.com/?id.352319
- https://vuldb.com/?submit.774073
- https://github.com/free5gc/free5gc/issues/792
FAQ
What is CVE-2026-4531?
CVE-2026-4531 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A weakness has been identified in Free5GC 4.1.0. Affected is the function HandleRegistrationComplete of the file internal/gmm/handler.go of the component AMF. Executing a manipulation can lead to deni...
How severe is CVE-2026-4531?
CVE-2026-4531 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4531?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.