CVE-2026-94043
Free5GC Gmm handler.go race condition
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 20, 2026
- Updated
- Sep 21, 2026
- Reserved
- Sep 19, 2026
Description
A vulnerability was determined in Free5GC up to 4.2.3. This vulnerability affects unknown code of the file /corefuzzer_deps/free5gc/NFs/amf/internal/gmm/handler.go of the component Gmm Handler. This manipulation causes race condition. The attack can be initiated remotely. Patch name: e323b01464355781b8b8d5dd695e05cbc00a62f2. To fix this issue, it is recommended to deploy a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-362 Race Condition
Affected Products
| Product | Versions |
|---|---|
Free5GCn/a |
|
References
- VDB-407972 | Free5GC Gmm handler.go race conditionvdb-entry
- VDB-407972 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-94043 | CVE Analysis and Reportthird-party-advisory
- Submit #949261 | N/A Free5GC <=4.2.3 Race Conditionthird-party-advisory
- https://github.com/free5gc/free5gc/issues/1109issue-tracking
- https://github.com/free5gc/amf/pull/238issue-trackingpatch
- https://github.com/free5gc/amf/commit/e323b01464355781b8b8d5dd695e05cbc00a62f2patch
- https://github.com/free5gc/free5gc/product
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