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CVE-2026-94043

Free5GC Gmm handler.go race condition

CVSS 4.0 6.9 MEDIUMCVSS 3.1 5.3 MEDIUMCVSS 3.0 5.3 MEDIUMCVSS 2.0 5.0 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-94043

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94043

Published

Free5GC

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "n/a",
                    "product": "Free5GC",
                    "versions": [
                        {
                            "version": "4.2.0",
                            "status": "affected"
                        },
                        {
                            "version": "4.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.2.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.2.3",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Gmm Handler"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON