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.
https://github.com/refi64/CVE-2020-25265-25266
Source: Mitre, NVD
Published: 2020-12-02
Updated: 2020-12-07
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS: 0.00089