This update for gd fixes the following security issues:
- CVE-2016-7568: A specially crafted image file could cause an application crash or potentially execute arbitrary code when the image is converted to webp (bsc#1001900) - CVE-2016-8670: Stack Buffer Overflow in GD dynamicGetbuf (bsc#1004924) - CVE-2016-6911: Check for out-of-bound read in dynamicGetbuf() (bsc#1005274)