{"id":"CVE-2023-4259","aliases":["EUVD-2023-54130","GHSA-gghm-c696-f4j4"],"status":"published","title":"Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver","description":"Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00832,"percentile":0.58029,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-193"],"published":"2023-09-25T23:05:40Z","modified":"2026-10-28T02:30:30Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gghm-c696-f4j4","tags":["x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2023/11/07/1","tags":["x_transferred","Mailing List","web"]},{"url":"http://seclists.org/fulldisclosure/2023/Nov/1","tags":["x_transferred","Mailing List","Third Party Advisory","web"]},{"url":"http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4259.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4259","tags":["advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-4259","title":"Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver","description":"Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.","status":"published","published":"2023-09-25T23:05:40.753Z","modified":"2025-02-13T17:09:28.288Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120","CWE-193"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54130","description":"Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.","status":"published","published":"2023-09-25T23:05:40Z","modified":"2025-02-13T17:09:28Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:49.098775Z"}],"nvd":[{"id":"CVE-2023-4259","description":"Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.","status":"published","published":"2023-09-26T00:15:11.397Z","modified":"2026-06-17T06:37:25.883Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120","CWE-193"],"updated_at":"2026-11-02T14:08:31.699785Z"}],"osv":[{"id":"CVE-2023-4259","title":"Potential buffer overflow vulnerabilities in the Zephyr eS-WiFi driver","description":"Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code.","status":"published","published":"2023-09-25T23:05:40.753Z","modified":"2026-10-28T02:30:30.411232404Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-120","CWE-193"],"updated_at":"2026-11-02T15:44:33.792101Z"}]}}