CVE:CVE-2017-18234
CNNVD:CNNVD-201803-583
Exempi是一个基于Adobe XMP SDK的XMP的开源实现。 
Exempi 2.4.3之前版本中的存在安全漏洞。远程攻击者可借助带有JPEG数据的.pdf文件利用该漏洞造成拒绝服务（内存拷贝无效和释放后重用）。
solution:Upgrade exempi_project exempi to a higher version than 2.4.3,and avoid the version (,2.4.3); Upgrade debian debian_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,17.10,and avoid the version 14.04,16.04,17.10