Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver

{
  "id": "3bb04ffc9113a49549502f63e4600d5fa72c99266ab06464aa5dfa1c57ab8484",
  "url": "https://osv.dev/vulnerability/CVE-2023-4259",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver",
    "summary": "Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.",
    "evidence": "osv:CVE-2023-4259",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-4259",
      "aliases": [
        "CVE-2023-4259",
        "GHSA-gghm-c696-f4j4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zephyrproject-rtos/zephyr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cebe11544ebeaed9a0c9ffd722c1639fa7463cbe"
                },
                {
                  "fixed": "356c8cbe63ae01b3ab438382639d25bb418a0213"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.14"
                      },
                      {
                        "fixed": "3.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.4.0-rc3",
            "v3.4.0-rc2",
            "v3.4.0-rc1",
            "zephyr-v3.3.0",
            "v3.3.0",
            "v3.3.0-rc3",
            "v3.3.0-rc2",
            "v3.3.0-rc1",
            "zephyr-v3.2.0",
            "v3.2.0",
            "v3.2.0-rc3",
            "v3.2.0-rc2",
            "v3.2.0-rc1",
            "zephyr-v3.1.0",
            "v3.1.0",
            "v3.1.0-rc3",
            "v3.1.0-rc2",
            "v3.1.0-rc1",
            "zephyr-v3.0.0",
            "v3.0.0",
            "v3.0.0-rc3",
            "v3.0.0-rc2",
            "v3.0.0-rc1",
            "v2.7.99",
            "v2.7.0-rc3",
            "v2.7.0-rc2",
            "v2.7.0-rc1",
            "zephyr-v2.6.0",
            "v2.6.0",
            "v2.6.0-rc3",
            "v2.6.0-rc2",
            "v2.6.0-rc1",
            "zephyr-v2.5.0",
            "v2.5.0",
            "v2.5.0-rc4",
            "v2.5.0-rc3",
            "v2.5.0-rc2",
            "v2.5.0-rc1",
            "zephyr-v2.4.0",
            "v2.4.0",
            "v2.4.0-rc3",
            "v2.4.0-rc2",
            "v2.4.0-rc1",
            "zephyr-v2.3.0",
            "v2.3.0",
            "v2.3.0-rc2",
            "v2.3.0-rc1",
            "zephyr-v2.1.0",
            "v2.1.0",
            "zephyr-v2.2.0",
            "v2.2.0",
            "v2.2.0-rc3",
            "v2.2.0-rc2",
            "v2.2.0-rc1",
            "v2.1.0-rc3",
            "v2.1.0-rc2",
            "v2.1.0-rc1",
            "zephyr-v2.0.0",
            "v2.0.0",
            "v2.0.0-rc3",
            "v2.0.0-rc2",
            "v2.0.0-rc1",
            "zephyr-v1.14.0",
            "v1.14.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4259.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.411232404Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4259.json",
        "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-4259",
        "https://github.com/zephyrproject-rtos/zephyr"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-120",
          "CWE-193"
        ],
        "cna_assigner": "zephyr",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4259.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-4259",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497070,
  "published_at": "2023-09-25T23:05:40.753+00:00"
}