{"id":"UBUNTU-CVE-2017-15056","details":"p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().","modified":"2025-10-24T04:46:32Z","published":"2017-10-06T07:29:00Z","upstream":["CVE-2017-15056"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-15056"},{"type":"REPORT","url":"https://github.com/upx/upx/issues/128"},{"type":"REPORT","url":"https://github.com/upx/upx/commit/ef336dbcc6dc8344482f8cf6c909ae96c3286317"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-15056"}],"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/2017/UBUNTU-CVE-2017-15056.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}