{"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_01M6GYA3XK0333ANS8TYR19HDF","modified_at":"2026-11-03T06:32:45.712353245Z","published_at":"2022-08-25T20:15:08.677Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-27800","https://security.alpinelinux.org/vuln/CVE-2020-27800"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-27800#Alpine:v3.22/upx","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-27800"}],"summary":"A heap-based buffer over-read was discovered in the get_le32 function in bele.h in UPX 4.0.0 via a crafted Mach-O file."}