{"id":"CVE-2020-22020","details":"Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.","modified":"2026-04-10T04:24:33.758451Z","published":"2021-05-26T20:15:08.207Z","related":["SUSE-SU-2021:2322-1","SUSE-SU-2021:2929-1","openSUSE-SU-2021:2322-1"],"references":[{"type":"WEB","url":"http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4990"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html"},{"type":"REPORT","url":"https://trac.ffmpeg.org/ticket/8239"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ffmpeg/ffmpeg","events":[{"introduced":"0"},{"last_affected":"517573a67088b5c7a25c18373434e3448892ee93"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.2-NA"}]}}],"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-dev","n3.3-dev","n3.4-dev","n3.5-dev","n4.1-dev","n4.2-dev"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-22020.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"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"}]}