CVE:CVE-2016-3981
CNNVD:CNNVD-201604-150
OptiPNG是一套用于图片无损压缩的工具。
OptiPNG 0.7.6之前版本的pngxrbmp.c文件中的‘bmp_read_rows’函数存在基于堆的缓冲区溢出漏洞。远程攻击者可借助特制的图像文件利用该漏洞造成拒绝服务（越边界读取或写入访问和崩溃），或执行任意代码。
solution:Upgrade optipng_project optipng to a higher version than 0.7.5,and avoid the version (,0.7.5]; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.10,and avoid the version 12.04,14.04,15.10; Upgrade debian debian_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0