CVE-2016-3739: Improper Input Validation

The 1 mbedconnectstep1 function in lib/vtls/mbedtls.c and 2 polarsslconnectstep1 function in lib/vtls/polarssl.c in cURL and libcurl before 7.49.0, when using SSLv3 or making a TLS connection to a URL that uses a numerical IP address, allow remote attackers to spoof servers via an arbitrary valid...