rubygems security update

1.3.7-4 - Remove regexp backtracing CVE-2013-4363. - Related: rhbz1002838. 1.3.7-3 - Fix insecure connection to SSL repository CVE-2012-2125, CVE-2012-2126. - Related: rhbz1002838. 1.3.7-2 - Fix algorithmic complexity vulnerability CVE-2013-4287. - Resolves: rhbz1002838...