{"id":"UBUNTU-CVE-2021-28650","details":"autoar-extractor.c in GNOME gnome-autoar before 0.3.1, as used by GNOME Shell, Nautilus, and other software, allows Directory Traversal during extraction because it lacks a check of whether a file's parent is a symlink in certain complex situations. NOTE: this issue exists because of an incomplete fix for CVE-2020-36241.","modified":"2026-04-22T12:50:21.955516Z","published":"2021-03-17T06:15:00Z","related":["USN-4937-1"],"upstream":["CVE-2021-28650"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-28650"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4937-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-28650"}],"affected":[{"package":{"name":"gnome-autoar","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gnome-autoar@0.2.3-1ubuntu0.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3-1ubuntu0.3"}]}],"versions":["0.2.2-1","0.2.2-2","0.2.2-3","0.2.3-1","0.2.3-1ubuntu0.1","0.2.3-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-gnomeautoar-0.1","binary_version":"0.2.3-1ubuntu0.3"},{"binary_name":"gir1.2-gnomeautoargtk-0.1","binary_version":"0.2.3-1ubuntu0.3"},{"binary_name":"libgnome-autoar-0-0","binary_version":"0.2.3-1ubuntu0.3"},{"binary_version":"0.2.3-1ubuntu0.3","binary_name":"libgnome-autoar-gtk-0-0"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28650.json"}},{"package":{"name":"gnome-autoar","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/gnome-autoar@0.2.3-2ubuntu0.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3-2ubuntu0.3"}]}],"versions":["0.2.3-2","0.2.3-2ubuntu0.1","0.2.3-2ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gir1.2-gnomeautoar-0.1","binary_version":"0.2.3-2ubuntu0.3"},{"binary_version":"0.2.3-2ubuntu0.3","binary_name":"gir1.2-gnomeautoargtk-0.1"},{"binary_name":"libgnome-autoar-0-0","binary_version":"0.2.3-2ubuntu0.3"},{"binary_name":"libgnome-autoar-gtk-0-0","binary_version":"0.2.3-2ubuntu0.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28650.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}