PT-2025-45892 · Julia · Ffmpeg Jll

Published

2025-10-19

·

Updated

2025-10-19

None

No severity ratings or metrics are available. When they are, we'll update the corresponding info on the page.
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.
Found an issue in the description? Have something to add? Feel free to write us 👾

Related Identifiers

JLSEC-2025-103

Affected Products

Ffmpeg Jll