CVE-2026-4531

EUVD-2026-14264
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
VulDBCNA
5.3 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
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