{"id":"CVE-2018-20304","details":"wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long second argument. NOTE: this is not a Microsoft product.","modified":"2026-03-14T09:28:56.605868Z","published":"2018-12-20T00:29:00.427Z","references":[{"type":"REPORT","url":"https://github.com/devinsmith/libexcel/issues/9"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/devinsmith/libexcel","events":[{"introduced":"0"},{"last_affected":"551ebc577e6e71e7d3500d5466075c561082ca80"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.01"}]}}],"versions":["v0.01"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20304.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}