{"id":"CVE-2020-27798","details":"An invalid memory address reference was discovered in the adjABS function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.","modified":"2026-07-08T23:35:16.248934Z","published":"2022-08-25T20:15:08.583Z","references":[{"type":"REPORT","url":"https://github.com/upx/upx/issues/396"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/upx/upx","events":[{"introduced":"69ca635c4c0ba474e9ca583dbb42e3d028c4533a"},{"last_affected":"69ca635c4c0ba474e9ca583dbb42e3d028c4533a"}],"database_specific":{"cpe":"cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.0"},{"last_affected":"4.0.0"}],"source":"CPE_STRING"}}],"versions":["4.0.0","v4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27798.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"}]}