Updated libgd packages fix security vulnerabilities:
A read out-of-bounds was found in the parsing of TGA files when the header reports an incorrect size (CVE-2016-6132) or invalid bpp (CVE-2016-6214) or RLE value (upstream issue 248).
Integer overflow error within _gdContributionsAlloc() (CVE-2016-6207).
A regression in the previous update that caused some packages to fail to build against libgd has also been fixed (mga#18947).