{"id":"CVE-2018-6621","details":"The decode_frame function in libavcodec/utvideodec.c in FFmpeg through 3.2 allows remote attackers to cause a denial of service (out of array read) via a crafted AVI file.","modified":"2026-04-16T06:18:29.282927818Z","published":"2018-02-05T04:29:00.917Z","related":["openSUSE-SU-2018:0470-1","openSUSE-SU-2018:0476-1","openSUSE-SU-2024:10754-1"],"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102950"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4249"},{"type":"FIX","url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/118e1b0b3370dd1c0da442901b486689efd1654b"},{"type":"FIX","url":"https://github.com/FFmpeg/FFmpeg/commit/22aa37c0fedf14531783189a197542a055959b6c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.ffmpeg.org/ffmpeg.git","events":[{"introduced":"0"},{"fixed":"118e1b0b3370dd1c0da442901b486689efd1654b"}]},{"type":"GIT","repo":"https://github.com/ffmpeg/ffmpeg","events":[{"introduced":"0"},{"last_affected":"340cea9f22c162e10d120835661e132721b7454b"},{"introduced":"0"},{"last_affected":"140fd653aed8cad774f991ba083e2d01e86420c7"},{"fixed":"22aa37c0fedf14531783189a197542a055959b6c"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.2"},{"introduced":"0"},{"last_affected":"8.0"}]}}],"versions":["N","n0.11-dev","n0.12-dev","n0.8","n1.1-dev","n1.2-dev","n1.3-dev","n2.0","n2.1-dev","n2.2-dev","n2.3-dev","n2.4-dev","n2.5-dev","n2.6-dev","n2.7-dev","n2.8-dev","n2.9-dev","n3.1-dev","n3.2","n3.2-dev","n3.2.1","n3.2.10","n3.2.2","n3.2.3","n3.2.4","n3.2.5","n3.2.6","n3.2.7","n3.2.8","n3.2.9","n3.3-dev","n3.4-dev","n3.5-dev","n4.1-dev","n4.2-dev","n4.3-dev","n4.4-dev","n4.5-dev","n5.1-dev","n5.2-dev","n6.1-dev","n6.2-dev","n7.1-dev","n7.2-dev","n8.0"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"vanir_signatures":[{"source":"https://github.com/ffmpeg/ffmpeg/commit/22aa37c0fedf14531783189a197542a055959b6c","id":"CVE-2018-6621-04420188","target":{"file":"libavcodec/utvideodec.c","function":"decode_frame"},"digest":{"length":6485,"function_hash":"118628482742309640807246975102458427469"},"signature_type":"Function","signature_version":"v1","deprecated":false}],"vanir_signatures_modified":"2026-04-11T08:05:20Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6621.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}