{"id":"JLSEC-2025-103","summary":"A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU vi...","details":"A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.","modified":"2025-11-03T00:18:42.646075Z","published":"2025-10-19T19:08:53.760Z","upstream":["CVE-2019-9721"],"database_specific":{"sources":[{"imported":"2025-10-18T14:07:17.044Z","modified":"2024-11-21T04:52:10.573Z","published":"2019-03-12T09:29:00.577Z","id":"CVE-2019-9721","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9721","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-9721"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/107384"},{"type":"WEB","url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/894995c41e0795c7a44f81adc4838dedc3932e65"},{"type":"WEB","url":"https://github.com/FFmpeg/FFmpeg/commit/273f2755ce8635d42da3cde0eeba15b2e7842774"},{"type":"WEB","url":"https://usn.ubuntu.com/3967-1/"}],"affected":[{"package":{"name":"FFMPEG_jll","ecosystem":"Julia","purl":"pkg:julia/FFMPEG_jll?uuid=b22a6f82-2f65-5046-a5b2-351ab43fb4e5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.3.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-103.json"}}],"schema_version":"1.7.3"}