Vulnerability DatabaseCVE-2026-33903
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CVE-2026-33903
March 27, 2026
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 Packages
https://github.com/ellanetworks/core.git (GITHUB):
Affected version(s) >=v0.0.4 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
https://github.com/ellanetworks/core.git (GITHUB):
Affected version(s) >=v0.0.4 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
https://github.com/ellanetworks/core.git (GITHUB):
Affected version(s) >=v0.0.4 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
https://github.com/ellanetworks/core.git (GITHUB):
Affected version(s) >=v0.0.4 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
https://github.com/ellanetworks/core.git (GITHUB):
Affected version(s) >=v0.0.4 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
https://github.com/ellanetworks/core.git (GITHUB):
Affected version(s) >=v0.0.4 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
github.com/ellanetworks/core (GO):
Affected version(s) >=v0.0.0-20260317183725-e614ebfe6097 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
github.com/ellanetworks/core (GO):
Affected version(s) >=v0.0.0-20260317183725-e614ebfe6097 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
github.com/ellanetworks/core (GO):
Affected version(s) >=v0.0.0-20260317183725-e614ebfe6097 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
github.com/ellanetworks/core (GO):
Affected version(s) >=v0.0.0-20260317183725-e614ebfe6097 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
github.com/ellanetworks/core (GO):
Affected version(s) >=v0.0.0-20260317183725-e614ebfe6097 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
github.com/ellanetworks/core (GO):
Affected version(s) >=v0.0.0-20260317183725-e614ebfe6097 <v1.7.0
Fix Suggestion:
Update to version v1.7.0
Related Resources (5)
https://github.com/ellanetworks/core/commit/ec77a2ad4508f8488cb356fd45b2f1efd92587f8
https://github.com/ellanetworks/core/security/advisories/GHSA-f2f3-9cx3-wcmf
https://github.com/ellanetworks/core/releases/tag/v1.7.0
https://github.com/ellanetworks/core
https://nvd.nist.gov/vuln/detail/CVE-2026-33903
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CVSS v4
Base Score:
7.1
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
NULL Pointer Dereference
CWE-476
EPSS
Base Score:
0.02