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.
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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 |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-02-23T23:56:55.889Z
Reserved: 2025-12-30T14:07:33.387Z
Link: CVE-2025-69252
No data.
Status : Received
Published: 2026-02-24T00:16:18.707
Modified: 2026-02-24T00:16:18.707
Link: CVE-2025-69252
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