free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 have a NULL Pointer Dereference vulnerability. Remote unauthenticated attackers can trigger a service panic (Denial of Service) by sending a crafted PUT request with an unexpected ueId, crashing the UDM service. All deployments of free5GC using the UDM component may be affected. free5gc/udm pull request 76 contains a fix for the issue. No direct workaround is available at the application level. Applying the official patch is recommended.
History

Tue, 24 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Description free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 have a NULL Pointer Dereference vulnerability. Remote unauthenticated attackers can trigger a service panic (Denial of Service) by sending a crafted PUT request with an unexpected ueId, crashing the UDM service. All deployments of free5GC using the UDM component may be affected. free5gc/udm pull request 76 contains a fix for the issue. No direct workaround is available at the application level. Applying the official patch is recommended.
Title free5GC has Null Pointer Dereference in UDM, Leading to Service Panic
Weaknesses CWE-476
References
Metrics cvssV4_0

{'score': 6.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-23T23:56:55.889Z

Reserved: 2025-12-30T14:07:33.387Z

Link: CVE-2025-69252

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-24T00:16:18.707

Modified: 2026-02-24T00:16:18.707

Link: CVE-2025-69252

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.