Free5GC Gmm handler.go race condition

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-94043",
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "dateUpdated": "2026-09-20T18:00:10.299Z",
    "dateReserved": "2026-09-19T21:20:27.268Z",
    "datePublished": "2026-09-20T18:00:10.299Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB",
        "dateUpdated": "2026-09-20T18:00:10.299Z"
      },
      "title": "Free5GC Gmm handler.go race condition",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "affected": [
        {
          "vendor": "n/a",
          "product": "Free5GC",
          "cpes": [
            "cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Gmm Handler"
          ],
          "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"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Race Condition",
              "cweId": "CWE-362",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://vuldb.com/vuln/407972",
          "name": "VDB-407972 | Free5GC Gmm handler.go race condition",
          "tags": [
            "vdb-entry"
          ]
        },
        {
          "url": "https://vuldb.com/vuln/407972/cti",
          "name": "VDB-407972 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ]
        },
        {
          "url": "https://vuldb.com/cve/CVE-2026-94043",
          "name": "CVE-2026-94043 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://vuldb.com/submit/949261",
          "name": "Submit #949261 | N/A Free5GC <=4.2.3 Race Condition",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://github.com/free5gc/free5gc/issues/1109",
          "tags": [
            "issue-tracking"
          ]
        },
        {
          "url": "https://github.com/free5gc/amf/pull/238",
          "tags": [
            "issue-tracking",
            "patch"
          ]
        },
        {
          "url": "https://github.com/free5gc/amf/commit/e323b01464355781b8b8d5dd695e05cbc00a62f2",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://github.com/free5gc/free5gc/",
          "tags": [
            "product"
          ]
        }
      ],
      "metrics": [
        {},
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "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",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM"
          }
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        {
          "cvssV3_0": {
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            "vectorString": "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",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM"
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            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "baseScore": 5
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      ],
      "timeline": [
        {
          "time": "2026-09-19T00:00:00.000Z",
          "lang": "en",
          "value": "Advisory disclosed"
        },
        {
          "time": "2026-09-19T02:00:00.000Z",
          "lang": "en",
          "value": "VulDB entry created"
        },
        {
          "time": "2026-09-19T23:25:35.000Z",
          "lang": "en",
          "value": "VulDB entry last update"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "JinboXu (VulDB User)",
          "type": "reporter"
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      ],
      "tags": [
        "x_open-source"
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  }
}