CVE-2025-29339
An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.
| Software | From | Fixed in |
|---|---|---|
| open5gs / open5gs | - | 2.7.2.x |
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