This update for curl fixes the following issues:
CVE-2017-1000100: TFP sends more than buffer size and it could lead to a denial of service (bsc#1051644)
CVE-2017-7407: ourWriteOut function problem could lead to a heap buffer over-read (bsc#1032309)
CVE-2016-9586: libcurl printf issue could lead to buffer overflow (bsc#1015332)