{"id":"CVE-2023-5139","aliases":["EUVD-2023-57477","GHSA-rhrc-pcxp-4453"],"status":"published","title":"Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver","description":"Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00452,"percentile":0.39547,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2023-10-26T04:40:36Z","modified":"2026-10-28T02:31:10Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rhrc-pcxp-4453","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","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5139.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5139","tags":["advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-5139","title":"Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver","description":"Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver","status":"published","published":"2023-10-26T04:40:36.93Z","modified":"2025-02-13T17:19:43.583Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:17.149492Z"}],"euvd":[{"id":"EUVD-2023-57477","description":"Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver","status":"published","published":"2023-10-26T04:40:36Z","modified":"2025-02-13T17:19:43Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:03:48.029386Z"}],"nvd":[{"id":"CVE-2023-5139","description":"Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver","status":"published","published":"2023-10-26T05:15:26.217Z","modified":"2026-06-17T06:47:37.647Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:08:40.004465Z"}],"osv":[{"id":"CVE-2023-5139","title":"Potential buffer overflow vulnerability in the Zephyr STM32 Crypto driver","description":"Potential buffer overflow vulnerability at the following location in the Zephyr STM32 Crypto driver","status":"published","published":"2023-10-26T04:40:36.93Z","modified":"2026-10-28T02:31:10.326045681Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:44:35.245372Z"}]}}