A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srttoass in libavcodec/srtdec.c misuses snprintf.
{ "versions": [ { "introduced": "0" }, { "last_affected": "12.3" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9720.json"