{"id":"CVE-2023-40481","details":"7-Zip SquashFS File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the parsing of SQFS files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18589.","modified":"2026-03-14T12:13:30.853124Z","published":"2024-05-03T03:15:21.153Z","references":[{"type":"ADVISORY","url":"https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/"},{"type":"ADVISORY","url":"https://www.zerodayinitiative.com/advisories/ZDI-23-1164/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40481.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"22.01"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}