{"id":"CVE-2018-20213","aliases":["EUVD-2018-12780","GHSA-35mf-cxwv-h9xm"],"status":"published","title":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a...","description":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01058,"percentile":0.64703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2018-12-18T19:00:00Z","modified":"2026-10-20T10:50:06Z","products":[{"vendor":"libexcel_project","product":"libexcel"}],"references":[{"url":"https://github.com/devinsmith/libexcel/issues/8","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20213"},{"url":"https://github.com/advisories/GHSA-35mf-cxwv-h9xm"}],"sources":{"cve":[{"id":"CVE-2018-20213","description":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.","status":"published","published":"2018-12-18T19:00:00Z","modified":"2024-09-16T21:07:46.565Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-12780","description":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.","status":"published","published":"2018-12-18T19:00:00Z","modified":"2024-09-16T21:07:46Z","updated_at":"2026-11-03T00:55:08.067702Z"}],"ghsa":[{"id":"GHSA-35mf-cxwv-h9xm","title":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a...","description":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.","status":"published","published":"2022-05-14T01:41:37Z","modified":"2023-02-02T05:04:08Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:51:47.947252Z"}],"nvd":[{"id":"CVE-2018-20213","description":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.","status":"published","published":"2018-12-18T19:29:00.297Z","modified":"2026-06-17T01:52:27.76Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:50.99633Z"}],"osv":[{"id":"CVE-2018-20213","description":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long name. NOTE: this is not a Microsoft product.","status":"published","published":"2018-12-18T19:29:00.297Z","modified":"2026-10-20T10:50:06.063174909Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:09.145458Z"}]}}