Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FFmpeg 拒绝服务漏洞
Vulnerability Description
FFmpeg是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 2.7.2之前版本的libavcodec/pngdec.c文件中的‘decode_ihdr_chunk’函数存在安全漏洞，该漏洞源于程序没有限制PNG图像中IHDR数据块的唯一性。远程攻击者可借助带有两个或以上数据块的特制图像利用该漏洞造成拒绝服务（越边界数组访问）。
CVSS Information
N/A
Vulnerability Type
N/A