{"id":"CVE-2020-25266","aliases":["EUVD-2020-17954","GHSA-cvpm-h3w4-gr4m","UBUNTU-CVE-2020-25266"],"status":"published","title":"AppImage appimaged before 1.0.3 does not properly check whether a downloaded file is a valid...","description":"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.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00345,"percentile":0.28389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-494"],"published":"2020-12-02T16:47:53Z","modified":"2026-10-17T12:55:52Z","affected":[{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libappimage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.9+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libappimage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1.10+dfsg-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libappimage","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"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libappimage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4-5-4ubuntu1","1.0.4-5-4ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libappimage","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4-5-7build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libappimage","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"]}],"products":[{"vendor":"appimage","product":"appimaged"}],"references":[{"url":"https://github.com/refi64/CVE-2020-25265-25266","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25266"},{"url":"https://github.com/advisories/GHSA-cvpm-h3w4-gr4m"},{"url":"https://ubuntu.com/security/CVE-2020-25266","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-25266","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-25266","description":"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.","status":"published","published":"2020-12-02T16:47:53Z","modified":"2024-08-04T15:33:05.646Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-17954","description":"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.","status":"published","published":"2020-12-02T16:47:53Z","modified":"2024-08-04T15:33:05Z","updated_at":"2026-11-03T03:07:17.764085Z"}],"ghsa":[{"id":"GHSA-cvpm-h3w4-gr4m","title":"AppImage appimaged before 1.0.3 does not properly check whether a downloaded file is a valid...","description":"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.","status":"published","published":"2022-05-24T17:35:10Z","modified":"2023-01-29T05:04:49Z","cwes":["CWE-494"],"updated_at":"2026-11-02T14:45:38.830072Z"}],"nvd":[{"id":"CVE-2020-25266","description":"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.","status":"published","published":"2020-12-02T17:15:14.783Z","modified":"2026-06-17T03:06:41.537Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"UBUNTU-CVE-2020-25266","description":"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.","status":"published","published":"2020-12-02T17:15:00Z","modified":"2026-10-17T12:55:52.275985466Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:23.905183Z"}]}}