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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-33283

Ella Core panics on malformed ULNASTransport Message without a Request Type

Description

Ella Core is a 5G core designed for private networks. Versions prior to 1.6.0 panic when processing malformed UL NAS Transport NAS messages without a Request Type. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.6.0 adds a guard when receiving an UL NAS Message without a Request Type given no SM Context.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ellanetworks core

  • < 1.6.0affected

References