The vlc_demux_chained_Delete function in input/demux_chained.c in VideoLAN VLC media player 3.0.1 allows remote attackers to cause a denial of service (heap corruption and application crash) or possibly have unspecified other impact via a crafted .swf file.
http://www.videolan.org/security/sa1801.html
http://www.securitytracker.com/id/1041312