GitHub Advisoryadvisory · Go

GHSA-j478-p7vq-3347 Ella Core: AMF DoS via malformed PathSwitchRequest with empty NR security capability bitstrings

MEDIUM Published 2026-03-12 Modified 2026-03-16 Official page ↗
Aliases
CVE-2026-32320
Ecosystem
Go
Packages
github.com/ellanetworks/core
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-125
Reviewed
2026-03-12

Affected packages

• Go github.com/ellanetworks/core: < 1.5.1 → fixed in 1.5.1

Description

Summary Ella Core panics when processing a PathSwitchRequest containing UE Security Capabilities with zero-length NR encryption or integrity protection algorithm bitstrings, resulting in a denial of service. Impact An attacker able to send crafted NGAP messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Fix Added length validation on NR algorithm bitstrings before accessing them in the PathSwitchRequest handler.

Related

Alias · CVE (1)

  • CVE-2026-32320 Ella Core is a 5G core designed for private networks. vulnerability

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References