{"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:13","exploited":false,"fixed_versions":["3.96-1"],"id":"tcs_01M5NE45XCWQ44AX48JQ7E167K","modified_at":"2026-09-21T07:01:19.186949082Z","published_at":"2019-12-27T22:15:11.347Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-20051","https://security-tracker.debian.org/tracker/CVE-2019-20051"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-20051","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-20051"}],"summary":"A floating-point exception was discovered in PackLinuxElf::elf_hash in p_lx_elf.cpp in UPX 3.95. The vulnerability causes an application crash, which leads to denial of service."}