The MP4 demuxer (mp4.c) for VLC media player 0.8.6d and earlier, as used in Miro Player 1.1 and earlier, allows remote attackers to overwrite arbitrary memory and execute arbitrary code via a malformed MP4 file.

Miro Desktop 0.8.18 on macOS allows local Electron code injection via a complex series of steps that might be usable in some environments (bypass a kTCCServiceSystemPolicyAppBundles requirement via a file copy, an app.app/Contents rename, an asar modification, and a rename back to app.app/Contents).