system
Describe <CVE-2017-17723>.
user
What is <CVE-2017-17723>?
assistant
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::Image::byteSwap4 function in image.cpp. Remote attackers can exploit this vulnerability to disclose memory data or cause a denial of service via a crafted TIFF file..