CVE:CVE-2018-19535
CNNVD:CNNVD-201811-683
Exiv2是软件开发者Andreas Huggel所研发的一套用于管理图像元数据的C++库和命令行应用程序，它提供了读取和写入EXIF、IPTC和XMP多种格式的图像元数据。
Exiv2 0.26及之前版本中的pngchunk_int.cpp文件的‘PngChunk::readRawProfile’函数存在安全漏洞。攻击者可借助特制的PNG文件利用该漏洞造成拒绝服务（基于堆的缓冲区越界读取和应用程序崩溃）。
solution:Upgrade exiv2 exiv2 to a higher version than 0.26,and avoid the version (,0.26]; Upgrade debian debian_linux to a higher version than 8.0,10.0,and avoid the version 8.0,10.0; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,18.10,19.04,and avoid the version 16.04,18.04,18.10,19.04