A resource exhaustion issue exists in Free5GC v4.2.3 during PFCP Session Establishment failure handling. When the SMF does not receive a PFCP Session Establishment Response from the UPF, allocated UE IP address resources are not properly released. Repeated failed session establishment attempts can therefore exhaust the UE IP address pool, preventing new UEs from establishing PDU sessions and resulting in denial of service.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | n/a | affected |
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Fixes
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Workaround
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References
History
Mon, 02 Nov 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A resource exhaustion issue exists in Free5GC v4.2.3 during PFCP Session Establishment failure handling. When the SMF does not receive a PFCP Session Establishment Response from the UPF, allocated UE IP address resources are not properly released. Repeated failed session establishment attempts can therefore exhaust the UE IP address pool, preventing new UEs from establishing PDU sessions and resulting in denial of service. | |
| References |
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MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-11-02T16:32:24.655Z
Reserved: 2026-10-07T00:00:00.000Z
Link: CVE-2026-106805
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses
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