medium6.5
CVE-2026-33283
Ella Core panics on malformed ULNASTransport Message without a Request Type
Impact
## Summary Ella Core panics when processing malformed UL NAS Transport NAS messages without a Request Type. ## Impact 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. ## Fix Add a guard when receiving an UL NAS Message without a Request Type given no SM Context.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/ellanetworks/core | < 1.6.0 | 1.6.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ellanetworks | Ella Core | before 1.6.0 |