CVE-2026-33903

Published: Mar 27, 2026Modified: Jun 17, 2026

6.5

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 2.8 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

Description

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing a specially crafted NGAP LocationReport message. An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. Version 1.7.0 adds guards in NGAP Location Report handler.

Affected (1)

Products: Ellanetworks: Ella Core

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Ellanetworks Ella Core	Before 1.7.0

Related CWEs

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (3)

https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8

Source: security-advisories@github.com

Patch

https://github.com/ellanetworks/core/releases/tag/v1.7.0

Source: security-advisories@github.com

Release Notes

https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.