{"action":"Upgrade upx to 4.0.0-r0 or later.","affected":[{"fixed":"4.0.0-r0","introduced":"0"}],"component":"upx","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.0.0-r0"],"id":"tcs_01M6GMJYES0VBRM7NH656CZP39","modified_at":"2026-11-03T06:32:25.532899597Z","published_at":"2022-08-25T20:15:08.727Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-27801","https://security.alpinelinux.org/vuln/CVE-2020-27801"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-27801#Alpine:v3.22/upx","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-27801"}],"summary":"A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file."}