{"id":"CVE-2019-20053","details":"An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.","modified":"2026-03-12T23:10:50.843946Z","published":"2019-12-27T22:15:11.923Z","related":["MGASA-2020-0096","openSUSE-SU-2020:0163-1","openSUSE-SU-2020:0180-1","openSUSE-SU-2024:11486-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html"},{"type":"EVIDENCE","url":"https://github.com/upx/upx/issues/314"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/upx/upx","events":[{"introduced":"0"},{"last_affected":"7a3637ff5a800b8bcbad20ae7f668d8c8449b014"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.95"}]}}],"versions":["v1.10","v1.11","v1.90","v1.91","v1.92","v1.93","v1.94","v1.95","v1.96","v2.00","v2.01","v2.90","v2.91","v2.92","v2.93","v3.00","v3.01","v3.02","v3.03","v3.04","v3.05","v3.06","v3.07","v3.08","v3.09","v3.91","v3.92","v3.93","v3.94","v3.95"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"sle-15-sp1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20053.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}