CVE-2026-82588: Open5GS Transfer Endpoint namf-handler.c null pointer dereference
A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Open5GSto a version that resolves this vulnerability.Fixed in 2.8.0Patch abf8a836564b966b5141110fc25ed413c4f17522
Event History
Frequently Asked Questions
Which deployments are affected?
Open5GS deployments using the Transfer Endpoint component in versions up to and including 2.7.7 are affected.
What does an attacker need to exploit this issue?
The issue can be exploited remotely with low privileges and does not require user interaction. The supplied information does not identify the specific request or processing condition that triggers the null pointer dereference.
What is the expected impact?
The reported impact is limited to availability, with a low availability impact and no reported confidentiality or integrity impact. A successful exploit may cause the affected component to dereference a null pointer.
What should be done to remediate it?
Upgrade Open5GS to version 2.8.0 or later. The identified fix is patch abf8a836564b966b5141110fc25ed413c4f17522.