Description
A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_decode_ue_mm_context_list of the file src/amf/namf-handler.c of the component AMF. This manipulation of the argument ueContext.mmContextList[*].allowedNssai causes memory corruption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.8.0 is able to resolve this issue. Patch name: abf8a836564b966b5141110fc25ed413c4f17522. It is recommended to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Open5GS | 2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.7 | 2.8.0 |
References
- VDB-397082 | Open5GS AMF namf-handler.c amf_namf_comm_decode_ue_mm_context_list memory corruption vdb-entry technical-description
- VDB-397082 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-82587 | CVE Analysis and Report third-party-advisory
- Submit #891890 | Open5gs AMF v2.7.7 Denial of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/4398 exploit issue-tracking
- https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522 patch
- https://github.com/open5gs/open5gs/releases/tag/v2.8.0 patch
- https://github.com/open5gs/open5gs/ product