GitHub Advisoryadvisory · Go
GHSA-3366-gw57-fcm5 Ella Core panics on malformed ULNASTransport Message without a Request Type
MEDIUM
Official page ↗
- Aliases
- CVE-2026-33283
- Ecosystem
- Go
- Packages
- github.com/ellanetworks/core
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
- Reviewed
- 2026-03-19
Affected packages
• Go github.com/ellanetworks/core: < 1.6.0 → fixed in 1.6.0
Description
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.
Related
Alias · CVE (1)
- CVE-2026-33283 Ella Core is a 5G core designed for private networks. vulnerability
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness