CVE-2026-30056

HighCVSS 7.5/10Last modified Aug 31, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Aug 27, 2026
Last modified
Aug 31, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-300577.5An issue in the CreateUEContext handler component of free5gc v4.1.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafCVE-2026-300587.5Improper Input Validation in the HTTPModifySubscription handler of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a CVE-2026-300597.5An issue in the NAS decoder component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted Registration RequeCVE-2026-30067.0Successful exploitation of the race condition vulnerability could allow an attacker to trigger a kernel heap overflow, potentially leading tCVE-2026-300607.5An issue in free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) when parsing crafted SUCI data during UE registration.CVE-2026-300627.5An issue in the NGAP handler of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted NAS PDU.CVE-2026-300637.5An issue in the NF Discovery endpoint of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted snssais query.CVE-2026-300647.5Improper input validation in the buildFilter function (processor/processor.go) of free5gc v4.0.1 allows attackers to cause a Denial of ServiCVE-2026-300677.5An issue in the complexQueryFilterSubprocess function in the NRF Discovery service of free5gc v4.0.1 allows attackers to cause a Denial of SCVE-2026-300687.5Improper input validation in the HandleUpdate function (/sbi/parameter_provision.go) of free5gc v4.0.1 allows attackers to cause a Denial ofCVE-2026-300697.5A NULL pointer dereference in the UDMC registration handler component of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) CVE-2026-30075.4Successful exploitation of the stored cross-site scripting (XSS) vulnerability could allow an attacker to execute arbitrary JavaScript on an
CVE-2026-30056: High severity, CVSS 7.5 | Vulnix