Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because ff_htmlmarkup_to_ass in libavcodec/htmlsubtitles.c has a complex format argument to sscanf.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FFmpeg 缓冲区错误漏洞
Vulnerability Description
FFmpeg是FFmpeg（Ffmpeg）团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 4.1版本中的子标题解码器的libavcodec/htmlsubtitles.c文件的‘ff_htmlmarkup_to_ass’函数存在缓冲区错误漏洞。远程攻击者可借助特制的Matroska格式视频文件利用该漏洞造成拒绝服务（CPU大量消耗）。
CVSS Information
N/A
Vulnerability Type
N/A