{"id":"CVE-2021-3566","state":"PUBLISHED","title":"Prior to ffmpeg version 4.3, the tty demuxer did not have a 'read_probe' function assigned to it. By crafting a legitimate \"ffconcat\" file that references an image, followed by a f","description":"Prior to ffmpeg version 4.3, the tty demuxer did not have a 'read_probe' function assigned to it. By crafting a legitimate \"ffconcat\" file that references an image, followed by a file the triggers the tty demuxer, the contents of the second file will be copied into the output file verbatim (as long as the `-vcodec copy` option is passed to ffmpeg).","publishedAt":"2021-08-05T20:21:37.000Z","updatedAt":"2024-08-03T17:01:08.129Z","severity":null,"assigner":"fedora","products":["n/a ffmpeg"],"affected":[{"vendor":"n/a","product":"ffmpeg","versions":[{"version":"ffmpeg 4.3","status":"affected"}]}],"references":["https://github.com/FFmpeg/FFmpeg/commit/3bce9e9b3ea35c54bacccc793d7da99ea5157532#diff-74f6b92a0541378ad15de9c29c0a2b0c69881ad9ffc71abe568b88b535e00a7f","https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3566.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3566","state":"PUBLISHED","datePublished":"2021-08-05T20:21:37.000Z","dateUpdated":"2024-08-03T17:01:08.129Z","assignerShortName":"fedora","assignerOrgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","dateReserved":"2021-05-25T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Prior to ffmpeg version 4.3, the tty demuxer did not have a 'read_probe' function assigned to it. By crafting a legitimate \"ffconcat\" file that references an image, followed by a file the triggers the tty demuxer, the contents of the second file will be copied into the output file verbatim (as long as the `-vcodec copy` option is passed to ffmpeg)."}],"affected":[{"vendor":"n/a","product":"ffmpeg","versions":[{"version":"ffmpeg 4.3","status":"affected"}]}],"references":[{"url":"https://github.com/FFmpeg/FFmpeg/commit/3bce9e9b3ea35c54bacccc793d7da99ea5157532#diff-74f6b92a0541378ad15de9c29c0a2b0c69881ad9ffc71abe568b88b535e00a7f","tags":["x_refsource_MISC"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html","name":"[debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security update","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"fedora","dateUpdated":"2021-08-15T06:07:08.000Z","orgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"patrick@puiterwijk.org","ID":"CVE-2021-3566","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"ffmpeg","version":{"version_data":[{"version_value":"ffmpeg 4.3"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Prior to ffmpeg version 4.3, the tty demuxer did not have a 'read_probe' function assigned to it. By crafting a legitimate \"ffconcat\" file that references an image, followed by a file the triggers the tty demuxer, the contents of the second file will be copied into the output file verbatim (as long as the `-vcodec copy` option is passed to ffmpeg)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-200"}]}]},"references":{"reference_data":[{"name":"https://github.com/FFmpeg/FFmpeg/commit/3bce9e9b3ea35c54bacccc793d7da99ea5157532#diff-74f6b92a0541378ad15de9c29c0a2b0c69881ad9ffc71abe568b88b535e00a7f","refsource":"MISC","url":"https://github.com/FFmpeg/FFmpeg/commit/3bce9e9b3ea35c54bacccc793d7da99ea5157532#diff-74f6b92a0541378ad15de9c29c0a2b0c69881ad9ffc71abe568b88b535e00a7f"},{"name":"[debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/FFmpeg/FFmpeg/commit/3bce9e9b3ea35c54bacccc793d7da99ea5157532#diff-74f6b92a0541378ad15de9c29c0a2b0c69881ad9ffc71abe568b88b535e00a7f","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html","name":"[debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:01:08.129Z"}}]}}}