| Package | Affected versions | Patched versions |
|---|---|---|
| ffmpeg | = 3.2= 4.1 |
A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video file in Matroska format, because handle_open_brace in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
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