{"id":"UBUNTU-CVE-2020-10870","details":"Zim through 0.72.1 creates temporary directories with predictable names. A malicious user could predict and create Zim's temporary directories and prevent other users from being able to start Zim, resulting in a denial of service.","modified":"2025-10-24T04:48:24Z","published":"2020-03-23T20:15:00Z","upstream":["CVE-2020-10870"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10870"},{"type":"REPORT","url":"https://github.com/zim-desktop-wiki/zim-desktop-wiki/issues/1028"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-10870"}],"affected":[{"package":{"name":"zim","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/zim@0.65-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.63-1","0.65-1","0.65-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.65-2","binary_name":"zim"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10870.json"}},{"package":{"name":"zim","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/zim@0.68~rc1-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.67-1","0.67-2","0.68~rc1-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.68~rc1-2","binary_name":"zim"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10870.json"}},{"package":{"name":"zim","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/zim@0.72.0-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.72.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.72.0-1","binary_name":"zim"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-10870.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}