CVE-2026-33283
MEDIUM6.5EPSS 0.03%Ella Core panics on malformed ULNASTransport Message without a Request Type
Published: 3/19/2026Modified: 3/25/2026
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.
Affected packages (2)
- Go/github.com/ellanetworks/corefrom 0, < 1.6.0
- Go/github.com/ellanetworks/corefrom 0, < 1.6.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |