{"id":"UBUNTU-CVE-2019-20051","details":"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.","modified":"2025-10-24T04:48:07Z","published":"2019-12-27T22:15:00Z","upstream":["CVE-2019-20051"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20051"},{"type":"REPORT","url":"https://github.com/upx/upx/issues/313"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-20051"}],"affected":[{"package":{"name":"upx-ucl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/upx-ucl@3.91-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.91-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.91-1","binary_name":"upx-ucl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20051.json"}},{"package":{"name":"upx-ucl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/upx-ucl@3.94-4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.94-2","3.94-3","3.94-4"],"ecosystem_specific":{"binaries":[{"binary_version":"3.94-4","binary_name":"upx-ucl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20051.json"}},{"package":{"name":"upx-ucl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/upx-ucl@3.95-2build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.95-2","3.95-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.95-2build1","binary_name":"upx-ucl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20051.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}