CVE-2026-33283

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.

PUBLISHED Reserved 2026-03-18 | Published 2026-03-23 | Updated 2026-03-24 | Assigner GitHub_M

Problem types

CWE-476: NULL Pointer Dereference

Product status

References

github.com/...s/core/security/advisories/GHSA-3366-gw57-fcm5

cve.org (CVE-2026-33283)

nvd.nist.gov (CVE-2026-33283)

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