Provide references for CVE-2019-13312.
Where can I find more information about CVE-2019-13312?
References are available at: https://trac.ffmpeg.org/ticket/7980, https://security.gentoo.org/glsa/202003-65, https://usn.ubuntu.com/4431-1/, https://security.gentoo.org/glsa/202007-58.