The mkv::virtual_segment_c::seek method of demux/mkv/virtual_segment.cpp in VideoLAN VLC media player 3.0.7.1 has a use-after-free.Referenceshttp://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019https://www.debian.org/security/2019/dsa-4504https://seclists.org/bugtraq/2019/Aug/36https://www.videolan.org/security/sb-vlc308.htmlhttps://security.gentoo.org/glsa/201909-02https://usn.ubuntu.com/4131-1/http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00036.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-04/msg00046.html
