{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.14"
              },
              {
                "fixed": "3.4"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "cebe11544ebeaed9a0c9ffd722c1639fa7463cbe"
            },
            {
              "fixed": "356c8cbe63ae01b3ab438382639d25bb418a0213"
            }
          ],
          "repo": "https://github.com/zephyrproject-rtos/zephyr",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-gghm-c696-f4j4"
  ],
  "database_specific": {
    "cna_assigner": "zephyr",
    "cwe_ids": [
      "CWE-120",
      "CWE-193"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4259.json"
  },
  "details": "Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.",
  "id": "CVE-2023-4259",
  "modified": "2026-07-08T05:38:53.409557923Z",
  "published": "2023-09-25T23:05:40.753Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2023/Nov/1"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2023/11/07/1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4259.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-4259"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/zephyrproject-rtos/zephyr"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver"
}