{"action":"Upgrade upx-ucl to 3.96-1 or later.","affected":[{"fixed":"3.96-1","introduced":"0"}],"component":"upx-ucl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.96-1"],"id":"tcs_01M5NEYT6Y7NAQR0MPQ4YW7PD7","modified_at":"2026-10-26T12:01:07.854320896Z","published_at":"2022-08-18T19:15:14.210Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27787","https://security-tracker.debian.org/tracker/CVE-2020-27787"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27787#Debian:14/upx-ucl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27787"}],"summary":"A Segmentaation fault was found in UPX in invert_pt_dynamic() function in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of servic"}