{"id":"UBUNTU-CVE-2020-18897","details":"An use-after-free vulnerability in the libpff_item_tree_create_node function of libyal Libpff before 20180623 allows attackers to cause a denial of service (DOS) or execute arbitrary code via a crafted pff file.","modified":"2026-04-22T14:10:27.804659Z","published":"2021-08-19T22:15:00Z","upstream":["CVE-2020-18897"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-18897"},{"type":"REPORT","url":"https://github.com/libyal/libpff/issues/61"},{"type":"REPORT","url":"https://github.com/libyal/libpff/issues/62"},{"type":"REPORT","url":"https://github.com/libyal/libpff/commit/effae88adfc9def45be0bb7ff27d20ce133d8c7c"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-18897"}],"affected":[{"package":{"name":"libpff","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libpff@20120802-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20120802-5"],"ecosystem_specific":{"binaries":[{"binary_name":"libpff1","binary_version":"20120802-5"},{"binary_name":"pff-tools","binary_version":"20120802-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18897.json"}},{"package":{"name":"libpff","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libpff@20120802-5.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20120802-5","20120802-5.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpff1","binary_version":"20120802-5.1"},{"binary_name":"pff-tools","binary_version":"20120802-5.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18897.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}