{"id":"CVE-2023-3487","aliases":["EUVD-2023-44146","GHSA-vx25-5r7c-m73f"],"status":"published","title":"Integer overflow in Silicon Labs Gecko Bootloader leads to unbounded memory access","description":"An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00251,"percentile":0.16601,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-190","CWE-787"],"published":"2023-10-20T14:12:44Z","modified":"2026-10-28T02:30:49Z","products":[{"vendor":"silabs","product":"gecko_bootloader"},{"vendor":"silabs.com","product":"gsdk"}],"references":[{"url":"https://github.com/SiliconLabs/gecko_sdk/releases","tags":["x_transferred","Release Notes","package"]},{"url":"https://community.silabs.com/s/contentdocument/0698Y00000ZmXqLQAV","tags":["x_transferred","Permissions Required","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3487","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vx25-5r7c-m73f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3487.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-3487","title":"Integer overflow in Silicon Labs Gecko Bootloader leads to unbounded memory access","description":"An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.","status":"published","published":"2023-10-20T14:12:44.805Z","modified":"2024-09-25T15:47:54.946Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-125","CWE-787"],"updated_at":"2026-11-02T14:35:24.360381Z"}],"euvd":[{"id":"EUVD-2023-44146","description":"An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.","status":"published","published":"2023-10-20T14:12:44Z","modified":"2024-09-25T15:47:54Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:28:12.46898Z"}],"ghsa":[{"id":"GHSA-vx25-5r7c-m73f","title":"\nAn integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded...","description":"\nAn integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.\n\n","status":"published","published":"2023-10-20T15:30:29Z","modified":"2024-04-04T08:51:27Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-125","CWE-190"],"updated_at":"2026-11-02T14:57:02.541362Z"}],"nvd":[{"id":"CVE-2023-3487","description":"An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.","status":"published","published":"2023-10-20T15:15:11.967Z","modified":"2026-06-17T06:14:11.98Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","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-125","CWE-787","CWE-190"],"updated_at":"2026-11-02T14:08:39.058878Z"}],"osv":[{"id":"CVE-2023-3487","title":"Integer overflow in Silicon Labs Gecko Bootloader leads to unbounded memory access","description":"An integer overflow in Silicon Labs Gecko Bootloader version 4.3.1 and earlier allows unbounded memory access when reading from or writing to storage slots.","status":"published","published":"2023-10-20T14:12:44.805Z","modified":"2026-10-28T02:30:49.07372554Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-125","CWE-787"],"updated_at":"2026-11-02T15:44:32.116263Z"}]}}