{"id":"UBUNTU-CVE-2020-25266","details":"AppImage appimaged before 1.0.3 does not properly check whether a downloaded file is a valid appimage. For example, it will accept a crafted mp3 file that contains an appimage, and install it.","modified":"2026-05-20T16:04:18.925500996Z","published":"2020-12-02T17:15:00Z","upstream":["CVE-2020-25266"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25266"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-25266"}],"affected":[{"package":{"name":"libappimage","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libappimage?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.9+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libappimage0","binary_version":"0.1.9+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25266.json"}},{"package":{"name":"libappimage","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libappimage?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.10+dfsg-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libappimage0","binary_version":"0.1.10+dfsg-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25266.json"}},{"package":{"name":"libappimage","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libappimage?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4-5-2ubuntu1","1.0.4-5-3ubuntu1","1.0.4-5-3.1ubuntu1","1.0.4-5-3.1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libappimage1.0abi1t64","binary_version":"1.0.4-5-3.1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25266.json"}},{"package":{"name":"libappimage","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libappimage?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4-5-4ubuntu1","1.0.4-5-4ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"libappimage1.0abi1t64","binary_version":"1.0.4-5-4ubuntu3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25266.json"}},{"package":{"name":"libappimage","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libappimage?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4-5-4ubuntu3","1.0.4-5-6ubuntu1","1.0.4-5-7","1.0.4-5-7build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.4-5-7build1","binary_name":"libappimage1.0abi1t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25266.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:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}