There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

2.4.8.1 -- initial release.
2.4.8.2 -- fix accidental double mcrypt_end'ing which using strict.
2.4.8.3 -- fix AUTOLOAD recursion problem when Mcrypt.so dependencies
           aren't met at runtime.
2.5.7.0 -- update tests to pass.. test against libmcrypt 2.5.7