{"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":"2026-07-08T18:17:49.470762Z","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":"551ebc577e6e71e7d3500d5466075c561082ca80"},{"last_affected":"551ebc577e6e71e7d3500d5466075c561082ca80"}],"database_specific":{"cpe":"cpe:2.3:a:libexcel_project:libexcel:0.01:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.01"},{"last_affected":"0.01"}],"source":"CPE_STRING"}}],"versions":["0.01","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"}]}