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CVE-2025-70122
Published: Feb 13, 2026
Modified: Feb 13, 2026
PUBLISHED
Description
A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function (sdf-filter.go) when processing a declared length that exceeds the actual buffer capacity, leading to a runtime panic and UPF crash.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
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