| Package | Affected versions | Patched versions |
|---|---|---|
| open5gs | ≤ 2.6.4 |
Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `UE Context Release Request` packet handler. A packet containing an invalid `MME_UE_S1AP_ID` field causes Open5gs to crash; an attacker may repeatedly send such packets to cause denial of service.
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