PT-2025-45892 · Julia · Ffmpeg Jll

Published

2025-10-19

·

Updated

2025-10-19

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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.

Fix

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Related Identifiers

JLSEC-2025-103

Affected Products

Ffmpeg Jll