CVE-2026-33283 — Ella Core panics on malformed ULNASTransport Message without a Request Type

CVE-2026-33283

Ella Core panics on malformed ULNASTransport Message without a Request Type PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
ellanetworks / core	affected < 1.6.0

CWE

CWE-476

References

https://github.com/ellanetworks/core/security/advisories/GHSA-3366-gw57-fcm5

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.