{"id":"CVE-2018-20450","details":"The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.","modified":"2026-07-08T16:40:24.271158Z","published":"2018-12-25T17:29:00.250Z","references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-64"},{"type":"REPORT","url":"https://github.com/evanmiller/libxls/issues/34"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libxls/libxls","events":[{"introduced":"ab544df742cf50c730d1b6e46c66e44e3e42399f"},{"last_affected":"ab544df742cf50c730d1b6e46c66e44e3e42399f"}],"database_specific":{"cpe":"cpe:2.3:a:libxls_project:libxls:1.4.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.4.0"},{"last_affected":"1.4.0"}],"source":"CPE_STRING"}}],"versions":["1.4.0","v1.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20450.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"}]}