{"id":"CVE-2021-28429","details":"Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows local attackers to cause a denial of service (DoS) via crafted .mov file.","modified":"2026-08-17T05:26:21.773183Z","published":"2023-08-11T14:15:12.667Z","related":["SUSE-SU-2023:3818-1"],"references":[{"type":"FIX","url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/c94875471e3ba3dc396c6919ff3ec9b14539cd71"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.ffmpeg.org/ffmpeg.git","events":[{"introduced":"f719f869907764e6412a6af6e178c46e5f915d25"},{"last_affected":"f719f869907764e6412a6af6e178c46e5f915d25"},{"fixed":"c94875471e3ba3dc396c6919ff3ec9b14539cd71"}],"database_specific":{"cpe":"cpe:2.3:a:ffmpeg:ffmpeg:4.3.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.3.2"},{"last_affected":"4.3.2"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["4.3.2","n4.3.2"],"database_specific":{"vanir_signatures":[{"source":"https://git.ffmpeg.org/ffmpeg.git@c94875471e3ba3dc396c6919ff3ec9b14539cd71","target":{"file":"libavutil/timecode.c"},"deprecated":false,"digest":{"line_hashes":["335739989115254508712258778105280409638","274512929795770645397955884638312007539","38893900513757338277920846245099231610","94505868597328706020015251903087308703","267156690267434599005120480994457071610"],"threshold":0.9},"id":"CVE-2021-28429-2bf1971a","signature_type":"Line","signature_version":"v1"},{"deprecated":false,"digest":{"function_hash":"58418444567264364141299228991211175920","length":690},"id":"CVE-2021-28429-cb5ec445","signature_type":"Function","signature_version":"v1","source":"https://git.ffmpeg.org/ffmpeg.git@c94875471e3ba3dc396c6919ff3ec9b14539cd71","target":{"file":"libavutil/timecode.c","function":"av_timecode_make_string"}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28429.json","vanir_signatures_modified":"2026-08-17T05:26:21Z"}},{"ranges":[{"type":"GIT","repo":"https://github.com/ffmpeg/ffmpeg","events":[{"introduced":"f719f869907764e6412a6af6e178c46e5f915d25"},{"last_affected":"f719f869907764e6412a6af6e178c46e5f915d25"}],"database_specific":{"cpe":"cpe:2.3:a:ffmpeg:ffmpeg:4.3.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.3.2"},{"last_affected":"4.3.2"}],"source":"CPE_STRING"}}],"versions":["4.3.2","n4.3.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28429.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}