{"id":"CVE-2017-12109","details":"An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.","modified":"2026-03-12T22:32:50.589727Z","published":"2018-04-24T19:29:01.500Z","references":[{"type":"EVIDENCE","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/evanmiller/libxls","events":[{"introduced":"0"},{"last_affected":"ab544df742cf50c730d1b6e46c66e44e3e42399f"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.4"}]}}],"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"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-12109.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:H/I:H/A:H"}]}