Description
A security flaw has been discovered in Open5GS up to 2.7.x. Affected is the function amf_nnrf_try_old_amf_discovery_fallback of the file src/amf/nnrf-handler.c of the component Old AMF Discovery Fallback. The manipulation of the argument discovery_option results in use after free. The attack may be performed from remote. The patch is identified as ddd683a35f8aaac2b7b9884a24cd53bddfc65238. Applying a patch is advised to resolve this issue.
Metrics
CVSS 3.1 8.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Sep 14, 2026
- Last modified
- Sep 15, 2026
- NVD status
- Deferred