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PRIOn knowledge basePRION:CVE-2021-3566HistoryAug 05, 2021 - 9:15 p.m.
Design/Logic Flaw
2021-08-0521:15:00
PRIOn knowledge base
www.prio-n.com
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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).
| CPE | Name | Operator | Version |
|---|---|---|---|
| debian_linux | eq | 9.0 | |
| ffmpeg | lt | 4.3 |
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