CVE-2026-33903
MEDIUMElla Core panics when processing a crafted NGAP LocationReport message
Title source: cnaDescription
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.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf
X_Refsource_Misc x_refsource_misc
https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8
X_Refsource_Misc x_refsource_misc
https://github.com/ellanetworks/core/releases/tag/v1.7.0
Scores
CVSS v3
6.5
EPSS
0.0021
EPSS Percentile
10.7%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (3)
ellanetworks/core
0 - 1.7.0Go
ellanetworks/core
< 1.7.0
ellanetworks/ella_core
< 1.7.0
Published
Mar 27, 2026
Tracked Since
Mar 29, 2026