Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
OptiPNG 程序gifread.c函数GIFReadNextExtension() 释放后使用漏洞
Vulnerability Description
OptiPNG是一套用于图片无损压缩的工具。 OptiPNG的lib/pngxtern/gif/gifread.c文件中的GIFReadNextExtension()函数存在释放后使用错误，如果用户受骗打开了特制的GIF图形就会导致拒绝服务或执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A