In mpc8readheader in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a crafted file.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-14442.json"