Vulnerability Details CVE-2026-33903
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.4%
CVSS Severity
CVSS v3 Score 6.5
References
Products affected by CVE-2026-33903
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cpe:2.3:a:ellanetworks:ella_core:0.0.10
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cpe:2.3:a:ellanetworks:ella_core:0.0.11
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cpe:2.3:a:ellanetworks:ella_core:0.0.12
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cpe:2.3:a:ellanetworks:ella_core:0.0.13
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cpe:2.3:a:ellanetworks:ella_core:0.0.14
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cpe:2.3:a:ellanetworks:ella_core:0.0.15
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cpe:2.3:a:ellanetworks:ella_core:0.0.16
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cpe:2.3:a:ellanetworks:ella_core:0.0.17
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cpe:2.3:a:ellanetworks:ella_core:0.0.18
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cpe:2.3:a:ellanetworks:ella_core:0.0.19
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cpe:2.3:a:ellanetworks:ella_core:0.0.20
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cpe:2.3:a:ellanetworks:ella_core:0.0.4
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cpe:2.3:a:ellanetworks:ella_core:0.0.5
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cpe:2.3:a:ellanetworks:ella_core:0.0.6
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cpe:2.3:a:ellanetworks:ella_core:0.0.7
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cpe:2.3:a:ellanetworks:ella_core:0.0.8
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cpe:2.3:a:ellanetworks:ella_core:0.0.9
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cpe:2.3:a:ellanetworks:ella_core:0.1.0
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cpe:2.3:a:ellanetworks:ella_core:0.2.0
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cpe:2.3:a:ellanetworks:ella_core:0.3.0
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cpe:2.3:a:ellanetworks:ella_core:0.3.1
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cpe:2.3:a:ellanetworks:ella_core:0.4.0
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cpe:2.3:a:ellanetworks:ella_core:0.4.1
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cpe:2.3:a:ellanetworks:ella_core:0.4.2
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cpe:2.3:a:ellanetworks:ella_core:0.5.0
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cpe:2.3:a:ellanetworks:ella_core:0.6.0
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cpe:2.3:a:ellanetworks:ella_core:0.7.0
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cpe:2.3:a:ellanetworks:ella_core:1.0.0
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cpe:2.3:a:ellanetworks:ella_core:1.1.0
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cpe:2.3:a:ellanetworks:ella_core:1.2.0
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cpe:2.3:a:ellanetworks:ella_core:1.3.0
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cpe:2.3:a:ellanetworks:ella_core:1.4.0
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cpe:2.3:a:ellanetworks:ella_core:1.5.0
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cpe:2.3:a:ellanetworks:ella_core:1.5.1
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cpe:2.3:a:ellanetworks:ella_core:1.5.2
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cpe:2.3:a:ellanetworks:ella_core:1.6.0