Contains approx. four dozen (!) bug fixes https://curl.haxx.se/download.html https://curl.haxx.se/changes.html#7_56_1
*** This bug has been marked as a duplicate of bug 635140 ***
(In reply to Jeroen Roovers from comment #1) @ Jeroen: Sorry, did not recognize bug 635140 because I was searching for net-misc/curl-7.56* Please, note that (CVE-2017-1000257) is *not* the only one addressed by above version bump! Thanks.