lavc_CopyPicture in modules/codec/avcodec/video.c in VideoLAN VLC media player through 3.0.7 has a heap-based buffer over-read because it does not properly validate the width and height.
https://www.debian.org/security/2019/dsa-4504
https://usn.ubuntu.com/4131-1/
https://security.gentoo.org/glsa/201909-02
https://seclists.org/bugtraq/2019/Aug/36
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00046.html
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html
http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=2b4f9d0b0e0861f262c90e9b9b94e7d53b864509