VDB

DEBIAN-CVE-2019-9721

DEBIAN-CVE-2019-9721 PUBLISHED CVSS 6.5 MEDIUM

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.

Risk Scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:14ffmpeg0, 0, 0
Debian:13ffmpeg0, 0, 0
Debian:11ffmpeg0, 0, 0
Debian:12ffmpeg0, 0, 0

Timeline

  • Mar 12, 2019 CVE Published
  • Apr 28, 2026 CVE Updated
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