CVE-2026-30056: n/a
Description
A NULL pointer dereference vulnerability exists in the AMF NGAP Dispatcher component of free5gc version 4.0.1. This flaw allows an attacker to cause a Denial of Service (DoS) by sending specially crafted NGAP messages during the initialization of a new RAN connection. The vulnerability is identified as CWE-476 and has a CVSS v3.1 base score of 7.5, indicating high severity.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-30056 is a vulnerability in free5gc v4.0.1 where the AMF NGAP Dispatcher component improperly handles certain NGAP messages, leading to a NULL pointer dereference. This results in a denial of service condition when an attacker supplies crafted NGAP messages during the setup of a new Radio Access Network (RAN) connection. The vulnerability does not impact confidentiality or integrity but causes service disruption.
Potential Impact
Successful exploitation causes a denial of service, disrupting the availability of the affected free5gc component. There is no impact on confidentiality or integrity. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been documented as of the published date.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-03-04T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a906ba8acd9273b49839a14
Added to database: 08/27/2026, 16:54:00 UTC
Last enriched: 09/08/2026, 13:38:43 UTC
Last updated: 10/11/2026, 18:48:18 UTC
Views: 32
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