{"id":"CVE-2026-51539","aliases":["EUVD-2026-43605","GHSA-4fx8-wmg3-693v"],"status":"published","title":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when...","description":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00488,"percentile":0.42332,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-07-13T00:00:00Z","modified":"2026-07-15T20:27:37Z","references":[{"url":"https://github.com/stephane/libmodbus/issues/843"},{"url":"https://gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51539"},{"url":"https://github.com/advisories/GHSA-4fx8-wmg3-693v"}],"sources":{"cve":[{"id":"CVE-2026-51539","description":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.","status":"published","published":"2026-07-13T00:00:00Z","modified":"2026-07-14T13:08:40.977Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T13:39:39.001586Z"}],"euvd":[{"id":"EUVD-2026-43605","description":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.","status":"published","published":"2026-07-13T00:00:00Z","modified":"2026-07-14T13:08:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:00.206712Z"}],"ghsa":[{"id":"GHSA-4fx8-wmg3-693v","title":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when...","description":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.","status":"published","published":"2026-07-14T00:31:02Z","modified":"2026-07-14T15:32:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:09:27.031Z"}],"nvd":[{"id":"CVE-2026-51539","description":"A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.","status":"published","published":"2026-07-13T22:16:47.603Z","modified":"2026-07-15T20:27:37.663Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:29.114188Z"}]}}