CVE-2026-32319

Ella Core: Unauthenticated AMF DoS via malformed InitialUEMessage with undersized integrity-protected NAS payload

State: Published
Severity: 7.5 High
Published: Mar 12, 2026
Updated: Mar 14, 2026
Reserved: Mar 11, 2026

Description

Ella Core is a 5G core designed for private networks. Prior to 1.5.1, Ella Core panics when processing a malformed integrity protected NGAP/NAS message with a length under 7 bytes. 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. This vulnerability is fixed in 1.5.1.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
coreellanetworks	< 1.5.1Affected

References

https://github.com/ellanetworks/core/security/advisories/GHSA-m9pm-w3gv-c68f

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