{"id":"CVE-2020-27819","details":"An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.","modified":"2026-03-14T10:26:36.498751Z","published":"2021-02-23T04:15:13.883Z","related":["openSUSE-SU-2021:0812-1","openSUSE-SU-2024:11015-1"],"references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1903296"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/evanmiller/libxls","events":[{"introduced":"0"},{"fixed":"448240067919707eb95fb009f76f3fdb439b1427"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.6.2"}]}}],"versions":["v0.2.0","v0.3.0","v1.0.0","v1.1.0","v1.2.0","v1.2.1","v1.3.0","v1.3.1","v1.3.2","v1.3.3","v1.3.4","v1.4.0","v1.5.0","v1.5.0-rc0","v1.5.0-rc1","v1.5.0-rc2","v1.5.0-rc3","v1.5.0-rc4","v1.5.1","v1.5.1-rc0","v1.5.1-rc1","v1.5.2","v1.5.2-rc0","v1.5.3","v1.5.3-rc0","v1.6.0","v1.6.0-rc0","v1.6.1","v1.6.2-rc0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27819.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}