SpamAssassin 3.1.8 was released. SpamAssassin is the leading spamfilter written in Perl. This is a maintenance and security release of the 3.1.x branch. It is highly recommended that people upgrade to this version. This latest update covers, amongst other things, the following:
bug 5318: fix for CVE-2007-0451: possible DoS due to incredibly long URIs [...]