Debian Security Advisory 1750-1 – Several vulnerabilities have been discovered in libpng, a library for reading and writing PNG files.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75976/dsa-1750-1.txt
Source: https://packetstormsecurity.com/files/75976/Debian-Linux-Security-Advisory-1750-1.html