| Package | Affected versions | Patched versions |
|---|---|---|
| open5gs | ≤ 2.6.4 |
Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an `Initial UE Message` missing a required `NAS_PDU` field to repeatedly crash the MME, resulting in denial of service.
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