There exists a heap-based buffer over-read in ffvc1preddc in vc1block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.
{ "versions": [ { "introduced": "0" }, { "last_affected": "12.3" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18827.json"