{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:mosaic5g:flexric:2.0.0:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.0.0"
              },
              {
                "last_affected": "2.0.0"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "1f04cc558ebc8da9de6a620762bc02f5db4ecb4a"
            },
            {
              "last_affected": "1f04cc558ebc8da9de6a620762bc02f5db4ecb4a"
            }
          ],
          "repo": "https://gitlab.eurecom.fr/mosaic5g/flexric",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.0.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37231.json"
  },
  "details": "FlexRIC v2.0.0 uses a uint16_t counter for xapp_id assignment but stores the value in uint32_t message fields. After 65,530+ E42_SETUP_REQUESTs, the 16-bit counter wraps around and produces duplicate xapp_ids. The iApp (port 36422) crashes when attempting to register a duplicate ID in its internal data structure. A remote attacker can trigger this by repeatedly connecting and requesting new xApp registrations.",
  "id": "CVE-2026-37231",
  "modified": "2026-07-16T03:31:06.343237667Z",
  "published": "2026-06-01T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37231.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/MinamiKotor1/oran-security-advisories-zhongnan-luo/blob/main/advisories/CVE-2026-37231.md"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-37231"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.eurecom.fr/mosaic5g/flexric"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}