{"action":"Upgrade upx-ucl to 4.2.2-1 or later.","affected":[{"fixed":"4.2.2-1","introduced":"0"}],"component":"upx-ucl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.2.2-1"],"id":"tcs_01M5NG1ECX7YB3GM0F2SJ2Y9CS","modified_at":"2026-10-23T18:04:16.377687291Z","published_at":"2023-03-24T20:15:08.517Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-43317","https://security-tracker.debian.org/tracker/CVE-2021-43317"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-43317","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-43317"}],"summary":"A heap-based buffer overflows was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func get_le32(). The problem is essentially caused in PackLinuxElf64::elf_looku"}